fix: restore battery status fetching in async_update method

Author: cavefire

custom_components/bose/bose/battery.py

@@ -55,8 +55,7 @@ async def async_update(self) -> None:
         if not self.hass:
             return
         try:
-            # battery_status = await self.speaker.get_battery_status()
-            battery_status = dummy_battery_status()
+            battery_status = await self.speaker.get_battery_status()
             self.update_from_battery_status(battery_status)
             self.async_write_ha_state()
         except Exception:  # noqa: BLE001