Make all procedural shape nodes fragment stage only

ShaderGraph/com.unity.shadergraph/Editor/Data/Nodes/Procedural/Shape/EllipseNode.cs

             [Slot(0, Binding.MeshUV0)] Vector2 UV,
             [Slot(2, Binding.None, 0.5f, 0, 0, 0)] Vector1 Width,
             [Slot(3, Binding.None, 0.5f, 0, 0, 0)] Vector1 Height,
-            [Slot(4, Binding.None)] out Vector1 Out)
+            [Slot(4, Binding.None, ShaderStageCapability.Fragment)] out Vector1 Out)
         {
             return
                 @"

ShaderGraph/com.unity.shadergraph/Editor/Data/Nodes/Procedural/Shape/PolygonNode.cs

             [Slot(1, Binding.None, 6, 0, 0, 0)] Vector1 Sides,
             [Slot(2, Binding.None, 0.5f, 0, 0, 0)] Vector1 Width,
             [Slot(3, Binding.None, 0.5f, 0, 0, 0)] Vector1 Height,
-            [Slot(4, Binding.None)] out DynamicDimensionVector Out)
+            [Slot(4, Binding.None, ShaderStageCapability.Fragment)] out DynamicDimensionVector Out)
         {
             return
                 @"

ShaderGraph/com.unity.shadergraph/Editor/Data/Nodes/Procedural/Shape/RectangleNode.cs

             [Slot(0, Binding.MeshUV0)] Vector2 UV,
             [Slot(1, Binding.None, 0.5f, 0, 0, 0)] Vector1 Width,
             [Slot(2, Binding.None, 0.5f, 0, 0, 0)] Vector1 Height,
-            [Slot(3, Binding.None)] out Vector1 Out)
+            [Slot(3, Binding.None, ShaderStageCapability.Fragment)] out Vector1 Out)
         {
             return
                 @"

ShaderGraph/com.unity.shadergraph/Editor/Data/Nodes/Procedural/Shape/RoundedRectangleNode.cs

             [Slot(1, Binding.None, 0.5f, 0, 0, 0)] Vector1 Width,
             [Slot(2, Binding.None, 0.5f, 0, 0, 0)] Vector1 Height,
             [Slot(3, Binding.None, 0.1f, 0, 0, 0)] Vector1 Radius,
-            [Slot(4, Binding.None)] out Vector1 Out)
+            [Slot(4, Binding.None, ShaderStageCapability.Fragment)] out Vector1 Out)
         {
             return
                 @"