Input socket single connection type disconnect issue fixed

Author: cemuka

Assets/Examples/1_ColorEditor/Resources/Nodes/ColorDisplay.prefab

@@ -518,7 +518,7 @@ PrefabInstance:
     - target: {fileID: 2037711194971394908, guid: 08a2cede52f8c4446ba4b9e7b0d17783,
         type: 3}
       propertyPath: connectionType
-      value: 1
+      value: 0
       objectReference: {fileID: 0}
     - target: {fileID: 4426410529968217237, guid: 08a2cede52f8c4446ba4b9e7b0d17783,
         type: 3}
@@ -660,7 +660,7 @@ PrefabInstance:
     - target: {fileID: 2037711194971394908, guid: 08a2cede52f8c4446ba4b9e7b0d17783,
         type: 3}
       propertyPath: connectionType
-      value: 1
+      value: 0
       objectReference: {fileID: 0}
     - target: {fileID: 4426410529968217237, guid: 08a2cede52f8c4446ba4b9e7b0d17783,
         type: 3}
@@ -802,7 +802,7 @@ PrefabInstance:
     - target: {fileID: 2037711194971394908, guid: 08a2cede52f8c4446ba4b9e7b0d17783,
         type: 3}
       propertyPath: connectionType
-      value: 1
+      value: 0
       objectReference: {fileID: 0}
     - target: {fileID: 4426410529968217237, guid: 08a2cede52f8c4446ba4b9e7b0d17783,
         type: 3}

Assets/Examples/1_ColorEditor/Scripts/ColorDisplayNode.cs

@@ -17,6 +17,10 @@ public class ColorDisplayNode : Node
 
         public override void Setup()
         {
+            rInput.connectionType = ConnectionType.Single;
+            gInput.connectionType = ConnectionType.Single;
+            bInput.connectionType = ConnectionType.Single;
+
             Register(rInput);
             Register(gInput);
             Register(bInput);

Assets/RuntimeNodeEditor/Scripts/Graph/NodeGraph.cs

@@ -117,7 +117,8 @@ public void Disconnect(Connection conn)
 
         public void Disconnect(SocketInput input)
         {
-            foreach (var conn in input.Connections)
+            var dcList = new List<Connection>(input.Connections);
+            foreach (var conn in dcList)
             {
                 Disconnect(conn);   
             }