Fixed missing code after rebase

Author: 3coins

jupyter_server_documents/outputs/manager.py

@@ -92,7 +92,8 @@ def get_outputs(self, file_id, cell_id):
                 outputs.append(output)
 
         if has_more_files:
-            placeholder = self._create_outputs_link(file_id, cell_id)
+            url = create_output_url(file_id, cell_id)
+            placeholder = create_placeholder_dict("display_data", url, full=True)
             outputs.append(json.dumps(placeholder))
 
         return outputs