Set object parser on Cursor when executing a request (#636)

Summary: Pull Request resolved: #636

Reviewed By: mengxuanzhangz

Differential Revision: D54614769

Pulled By: stcheng

fbshipit-source-id: d7f3b53a6a167ef993ab613e4931a401dfbc49e3

facebook_business/api.py

@@ -659,6 +659,7 @@ def execute(self):
                 api=self._api,
                 node_id=self._node_id,
                 endpoint=self._endpoint,
+                object_parser=self._response_parser,
             )
             cursor.load_next_page()
             return cursor