Hide right pane in node if there are no output slots

MaterialGraphProject/Assets/GraphFramework/SerializableGraph/Editor/Drawing/Drawer/NodeDrawer.cs

             var controlDrawData = nodeData.elements.OfType<ControlDrawData>().ToList();
 
             if (controlDrawData.Count == 0)
+            {
+                if (!m_RightContainer.classList.Contains("empty"))
+                    m_RightContainer.AddToClassList("empty");
+            }
+
+            m_RightContainer.RemoveFromClassList("empty");
 
             if (!nodeData.expanded)
             {

MaterialGraphProject/Assets/GraphFramework/SerializableGraph/Editor/Drawing/Styles/SerializableGraph.uss

     padding-left: 8;
 }
 
+.Node .pane.right.empty {
+    margin-left: 0;
+    padding-left: 0;
+    padding-right: 0;
+}
+
 .Node .paneItem {
     margin-top: 2;
 }
 	flex-direction: column;
 	padding-bottom: 2;
     padding-left: 4;
+    padding-right: 4;
 }
 
 .Node #controls #element{