Update type in dynamic slot names when they change

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Drawing/Views/MaterialNodeView.cs

 
         public void UpdatePortInputTypes()
         {
+            foreach (var anchor in inputContainer.Concat(outputContainer).OfType<NodeAnchor>())
+            {
+                var slot = (MaterialSlot) anchor.userData;
+                anchor.anchorName = slot.displayName;
+            }
+
             foreach (var attacher in m_Attachers)
             {
                 var portInputView = (PortInputView)attacher.element;