Add Branch node

- Fix compatible types
- Fix default property name

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Data/Graphs/BooleanShaderProperty.cs

     {
         public BooleanShaderProperty()
         {
-            displayName = "Bool";
+            displayName = "Boolean";
         }
 
         public override PropertyType propertyType

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Data/Graphs/MaterialSlot.cs

                         || inputType == SlotValueType.Vector1
                         || inputType == SlotValueType.Dynamic;
                 case SlotValueType.Boolean:
-                    return inputType == SlotValueType.Vector1;
+                    return inputType == SlotValueType.Vector1
+                        || inputType == SlotValueType.Boolean;
             }
             return false;
         }

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Data/Nodes/Utility/Logic/BranchNode.cs

+using System.Reflection;
+using UnityEngine;
+using UnityEditor.Graphing;
+using UnityEditor.ShaderGraph.Drawing.Controls;
+
+namespace UnityEditor.ShaderGraph
+{
+    [Title("Utility", "Logic", "Branch")]
+    public class BranchNode : CodeFunctionNode
+    {
+        public BranchNode()
+        {
+            name = "Branch";
+        }
+
+        protected override MethodInfo GetFunctionToConvert()
+        {
+            return GetType().GetMethod("Unity_Branch", BindingFlags.Static | BindingFlags.NonPublic);
+        }
+
+        static string Unity_Branch(
+            [Slot(0, Binding.None)] Boolean Predicate,
+            [Slot(1, Binding.None)] DynamicDimensionVector True,
+            [Slot(2, Binding.None)] DynamicDimensionVector False,
+            [Slot(3, Binding.None)] out DynamicDimensionVector Out)
+        {
+            return
+                @"
+{
+    Out = Predicate == 1 ? True : False;
+}
+";
+        }
+    }
+}

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Data/Nodes/Utility/Logic/BranchNode.cs.meta

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+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: