chore: add back generator exception handling

Author: allenporter

roborock/mqtt/roborock_session.py

@@ -125,7 +125,7 @@ async def _run_task(self, start_future: asyncio.Future[None] | None) -> None:
             except Exception as err:
                 # This error is thrown when the MQTT loop is cancelled
                 # and the generator is not stopped.
-                if "generator didn't stop" in str(err):  # or "generator didn't yield" in str(err):
+                if "generator didn't stop" in str(err) or "generator didn't yield" in str(err):
                     _LOGGER.debug("MQTT loop was cancelled")
                     return
                 if start_future: