Feat: Fixed the issue where the page would refresh continuously when opening the sheet on the right side of the canvas #3221 (#7756)

### What problem does this PR solve?

Feat: Fixed the issue where the page would refresh continuously when
opening the sheet on the right side of the canvas #3221

### Type of change


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

web/src/pages/agent/hooks.tsx

@@ -320,7 +320,10 @@ export const useHandleFormValuesChange = (
             category_description: buildCategorizeObjectFromList(value.items),
           };
         }
-        updateNodeForm(id, nextValues);
+        if (type) {
+          // Manually triggered form updates are synchronized to the canvas
+          updateNodeForm(id, nextValues);
+        }
       }
     });
     return () => subscription?.unsubscribe();