fix: update selected_output field to handle which outputs is displayed first (#8538)

* fix: update selected_output field in various starter project JSON files

- Added or adjusted the "selected_output" field in multiple starter project JSON files to ensure consistency and correct functionality.
- Refactored the output selection logic in the GenericNode component to utilize the updated "selected_output" property.

Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org>

* fix: enhance output handling in GenericNode and NodeOutputField components

- Added a check to prevent auto-unhiding outputs with group_outputs set to false in NodeOutputField.
- Updated the GenericNode component to ensure the selected_output field is correctly assigned during node updates.
- Introduced group_outputs property in the OutputFieldType to support new output handling logic.

Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org>

* Revert starter_projects directory to main branch state

* 📝 (general-bugs-shard-3909.spec.ts): update test description to match the changed button text for better clarity and maintainability

---------

Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org>
Co-authored-by: cristhianzl <cristhian.lousa@gmail.com>

src/frontend/src/CustomNodes/GenericNode/components/NodeOutputfield/index.tsx

@@ -216,10 +216,19 @@ function NodeOutputField({
   );
 
   useEffect(() => {
-    if (disabledOutput && hidden) {
+    const outputHasGroupOutputsFalse =
+      data.node?.outputs?.[index]?.group_outputs === false;
+
+    if (disabledOutput && hidden && !outputHasGroupOutputsFalse) {
       handleUpdateOutputHide(false);
     }
-  }, [disabledOutput, handleUpdateOutputHide, hidden]);
+  }, [
+    disabledOutput,
+    handleUpdateOutputHide,
+    hidden,
+    data.node?.outputs,
+    index,
+  ]);
 
   const [openOutputModal, setOpenOutputModal] = useState(false);
 

src/frontend/src/CustomNodes/GenericNode/index.tsx

@@ -313,7 +313,11 @@ function GenericNode({
             newNode.data.node.outputs[outputIndex].selected =
               output.selected ?? defaultType;
           }
+
+          const selectedOutput = newNode.data.node.outputs[outputIndex]?.name;
+          (newNode.data as NodeDataType).selected_output = selectedOutput;
         }
+
         return newNode;
       });
       updateNodeInternals(data.id);

src/frontend/src/types/api/index.ts

@@ -104,6 +104,7 @@ export type OutputFieldType = {
   types: Array<string>;
   selected?: string;
   name: string;
+  group_outputs?: boolean;
   method?: string;
   display_name: string;
   hidden?: boolean;

src/frontend/tests/extended/regression/general-bugs-shard-3909.spec.ts

@@ -44,7 +44,7 @@ test(
     await expect(page.getByTestId("button_run_chat output")).toBeVisible({
       timeout: 30000,
     });
-    await expect(page.getByTestId("button_run_openai")).toBeVisible({
+    await expect(page.getByTestId("button_run_language model")).toBeVisible({
       timeout: 30000,
     });
     await expect(page.getByTestId("button_run_prompt")).toBeVisible({