Fix flask response: 200 -> {}, 200 (#25404)

api/controllers/console/datasets/data_source.py

         documents = DocumentService.get_document_by_dataset_id(dataset_id_str)
         for document in documents:
             document_indexing_sync_task.delay(dataset_id_str, document.id)
-        return 200
+        return {"result": "success"}, 200
 
 
 class DataSourceNotionDocumentSyncApi(Resource):
         if document is None:
             raise NotFound("Document not found.")
         document_indexing_sync_task.delay(dataset_id_str, document_id_str)
-        return 200
+        return {"result": "success"}, 200
 
 
 api.add_resource(DataSourceApi, "/data-source/integrates", "/data-source/integrates/<uuid:binding_id>/<string:action>")

api/controllers/console/datasets/metadata.py

             MetadataService.enable_built_in_field(dataset)
         elif action == "disable":
             MetadataService.disable_built_in_field(dataset)
-        return 200
+        return {"result": "success"}, 200
 
 
 class DocumentMetadataEditApi(Resource):
 
         MetadataService.update_documents_metadata(dataset, metadata_args)
 
-        return 200
+        return {"result": "success"}, 200
 
 
 api.add_resource(DatasetMetadataCreateApi, "/datasets/<uuid:dataset_id>/metadata")

api/controllers/console/tag/tags.py

         args = parser.parse_args()
         TagService.save_tag_binding(args)
 
-        return 200
+        return {"result": "success"}, 200
 
 
 class TagBindingDeleteApi(Resource):
         args = parser.parse_args()
         TagService.delete_tag_binding(args)
 
-        return 200
+        return {"result": "success"}, 200
 
 
 api.add_resource(TagListApi, "/tags")

api/controllers/service_api/dataset/metadata.py

             MetadataService.enable_built_in_field(dataset)
         elif action == "disable":
             MetadataService.disable_built_in_field(dataset)
-        return 200
+        return {"result": "success"}, 200
 
 
 @service_api_ns.route("/datasets/<uuid:dataset_id>/documents/metadata")
 
         MetadataService.update_documents_metadata(dataset, metadata_args)
 
-        return 200
+        return {"result": "success"}, 200