Fix qBittorrent crash after caught exception (#35355)

homeassistant/components/qbittorrent/sensor.py

@@ -113,6 +113,7 @@ class QBittorrentSensor(Entity):
         except RequestException:
             _LOGGER.error("Connection lost")
             self._available = False
+            return
         except self._exception:
             _LOGGER.error("Invalid authentication")
             return