[zigbee.mqtt] Removed synchronous logic on device_set.

Don't wait for a value update on `device_set` - an event will be
triggered anyway when the value changes.

This should prevent timeouts when setting/toggling values.

platypush/plugins/zigbee/mqtt/__init__.py

@@ -1131,7 +1131,6 @@ class ZigbeeMqttPlugin(
             the default configured device).
         """
         msg = (values or {}).copy()
-        reply_topic = None
         device_info = self._get_device_info(device, **kwargs)
         assert device_info, f'No such device: {device}'
         device = self._preferred_name(device_info)
@@ -1143,32 +1142,18 @@ class ZigbeeMqttPlugin(
                 return self.device_set_option(device, property, value, **kwargs)
 
             # Check if it's a property
-            reply_topic = self._topic(device)
             stored_property = self._get_properties(device_info).get(property)
             assert stored_property, f'No such property: {property}'
 
             # Set the new value on the message
             msg[property] = value
 
-            # Don't wait for an update from a value that is not readable
+        self._run_request(
-            if self._is_write_only(stored_property):
-                reply_topic = None
-
-        properties = self._run_request(
             topic=self._topic(device + '/set'),
-            reply_topic=reply_topic,
             msg=msg,
             **self._mqtt_args(**kwargs),
         )
 
-        if property and reply_topic:
-            assert (
-                property in properties
-            ), f'Could not retrieve the new state for {property}'
-            return {property: properties[property]}
-
-        return properties
-
     @action
     # pylint: disable=redefined-builtin
     def set_value(
@@ -1670,9 +1655,11 @@ class ZigbeeMqttPlugin(
             prop,
             prop_info.get(
                 'value_toggle',
-                'OFF'
+                (
-                if device_state.get(prop) == prop_info.get('value_on', 'ON')
+                    'OFF'
-                else 'ON',
+                    if device_state.get(prop) == prop_info.get('value_on', 'ON')
+                    else 'ON'
+                ),
             ),
         )