Fixes to the previous commit.

- Added default value 1.0 to the opacity slots.
- Swapped the slot IDs to be compatible with the previous versions.

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Data/Nodes/Artistic/Blend/BlendNode.cs

         static string Unity_Blend_Burn(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Darken(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Difference(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Dodge(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Divide(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Exclusion(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_HardLight(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
-    {precision}{slot3dimension} result1 = 1.0 - 2.0 * (1.0 - Base) * (1.0 - Blend);
-    {precision}{slot3dimension} result2 = 2.0 * Base * Blend;
-    {precision}{slot3dimension} zeroOrOne = step(Blend, 0.5);
+    {precision}{slot2dimension} result1 = 1.0 - 2.0 * (1.0 - Base) * (1.0 - Blend);
+    {precision}{slot2dimension} result2 = 2.0 * Base * Blend;
+    {precision}{slot2dimension} zeroOrOne = step(Blend, 0.5);
     Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
     Out = lerp(Base, Out, Opacity);
 }";
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Lighten(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_LinearBurn(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_LinearDodge(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_LinearLight(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_LinearLightAddSub(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Multiply(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Negation(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Screen(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"
         static string Unity_Blend_Overlay(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
-    {precision}{slot3dimension} result1 = 1.0 - 2.0 * (1.0 - Base) * (1.0 - Blend);
-    {precision}{slot3dimension} result2 = 2.0 * Base * Blend;
-    {precision}{slot3dimension} zeroOrOne = step(Base, 0.5);
+    {precision}{slot2dimension} result1 = 1.0 - 2.0 * (1.0 - Base) * (1.0 - Blend);
+    {precision}{slot2dimension} result2 = 2.0 * Base * Blend;
+    {precision}{slot2dimension} zeroOrOne = step(Base, 0.5);
     Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
     Out = lerp(Base, Out, Opacity);
 }
         static string Unity_Blend_PinLight(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
-    {precision}{slot3dimension} check = step (0.5, Blend);
-    {precision}{slot3dimension} result1 = check * max(2.0 * (Base - 0.5), Blend);
+    {precision}{slot2dimension} check = step (0.5, Blend);
+    {precision}{slot2dimension} result1 = check * max(2.0 * (Base - 0.5), Blend);
     Out = result1 + (1.0 - check) * min(2.0 * Base, Blend);
     Out = lerp(Base, Out, Opacity);
 }
         static string Unity_Blend_SoftLight(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
-    {precision}{slot3dimension} result1 = 2.0 * Base * Blend + Base * Base * (1.0 - 2.0 * Blend);
-    {precision}{slot3dimension} result2 = sqrt(Base) * (2.0 * Blend - 1.0) + 2.0 * Base * (1.0 - Blend);
-    {precision}{slot3dimension} zeroOrOne = step(0.5, Blend);
+    {precision}{slot2dimension} result1 = 2.0 * Base * Blend + Base * Base * (1.0 - 2.0 * Blend);
+    {precision}{slot2dimension} result2 = sqrt(Base) * (2.0 * Blend - 1.0) + 2.0 * Base * (1.0 - Blend);
+    {precision}{slot2dimension} zeroOrOne = step(0.5, Blend);
     Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
     Out = lerp(Base, Out, Opacity);
 }
         static string Unity_Blend_VividLight(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
-    {precision}{slot3dimension} result1 = 1.0 - (1.0 - Blend) / (2.0 * Base);
-    {precision}{slot3dimension} result2 = Blend / (2.0 * (1.0 - Base));
-    {precision}{slot3dimension} zeroOrOne = step(0.5, Base);
+    {precision}{slot2dimension} result1 = 1.0 - (1.0 - Blend) / (2.0 * Base);
+    {precision}{slot2dimension} result2 = Blend / (2.0 * (1.0 - Base));
+    {precision}{slot2dimension} zeroOrOne = step(0.5, Base);
     Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
     Out = lerp(Base, Out, Opacity);
 }
         static string Unity_Blend_Subtract(
             [Slot(0, Binding.None)] DynamicDimensionVector Base,
             [Slot(1, Binding.None)] DynamicDimensionVector Blend,
-            [Slot(2, Binding.None)] Vector1 Opacity,
-            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
+            [Slot(2, Binding.None)] out DynamicDimensionVector Out)
         {
             return
                 @"