Feat: Enables the message operator form to reference the data defined by the begin operator #3221 (#8108)

### What problem does this PR solve?

Feat: Enables the message operator form to reference the data defined by
the begin operator #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/hooks/use-save-graph.ts

@@ -25,7 +25,7 @@ export const useSaveGraph = () => {
         dsl: buildDslData(currentNodes),
       });
     },
-    [setAgent, id, data.title, buildDslData],
+    [setAgent, data, id, buildDslData],
   );
 
   return { saveGraph, loading };