fix: make node be maximized when adding more handles (#7320)

Add useEffect to maximize node that is not minimal

src/frontend/src/pages/FlowPage/components/nodeToolbarComponent/index.tsx

@@ -199,6 +199,14 @@ const NodeToolbarComponent = memo(
       });
     }, [isMinimal, showNode, data.id]);
 
+    useEffect(() => {
+      if (!isMinimal && !showNode) {
+        setShowNode(true);
+        updateNodeInternals(data.id);
+        return;
+      }
+    }, [isMinimal, showNode, data.id]);
+
     const handleungroup = useCallback(() => {
       if (isGroup) {
         takeSnapshot();