Added console output for debugging

src/editor/js/components/editor.tsx

@@ -223,6 +223,8 @@ export class Editor extends React.PureComponent<propTypes, stateTypes> {
     }
 
     private handleNodeCanvasObject(node: any, ctx: any, globalScale: any) {
+        console.log("Custom node rendering");
+
         // add ring just for highlighted nodes
         if (this.isHighlighted(node)) {
             ctx.beginPath();