Migrate callbacks to use schedule_update_ha_state (#4426)

* Migrate callbacks to use schedule_update_ha_state

* Migrate MQTT sensor callback to async

* Migrate wemo to not update inside schedule_update_ha_state

* Make MQTT switch async

* Fix nx584 test

* Migrate tellstick callback

* Migrate vera callback

* Alarm control panel - manual: use async callbacks

* Run the switch rest tests that work

homeassistant/components/binary_sensor/ffmpeg.py

@@ -138,7 +138,7 @@ class FFmpegBinarySensor(BinarySensorDevice):
     def _callback(self, state):
         """HA-FFmpeg callback for noise detection."""
         self._state = state
-        self.update_ha_state()
+        self.schedule_update_ha_state()
 
     def _start_ffmpeg(self, config):
         """Start a FFmpeg instance."""