[DASHBOARDS] Update iFrame error message (#16777)

`Invalid URL` instead of `no data` for iFrame widgets.

<img width="1142" height="638" alt="CleanShot 2025-12-23 at 14 13 17@2x"
src="https://github.com/user-attachments/assets/22621e57-c4ba-4e1f-91d0-5c4ef435c649"
/>

packages/twenty-front/src/modules/page-layout/widgets/graph/components/GraphWidget.tsx

@@ -40,7 +40,7 @@ export const GraphWidget = ({
   );
 
   if (!hasValidConfiguration) {
-    return <PageLayoutWidgetNoDataDisplay widgetId={widget.id} />;
+    return <PageLayoutWidgetNoDataDisplay />;
   }
 
   switch (graphType) {