Regression: The device specific attributes of ZWave devices got lost.

Light and ZWaveDeviceEntity both have overwritten the property state_attributes
This includes the device specific attributes in the state_attributes again

homeassistant/components/sensor/zwave.py

@@ -99,6 +99,11 @@ class ZWaveSensor(ZWaveDeviceEntity, Entity):
         """ Returns the state of the sensor. """
         return self._value.data
 
+    @property
+    def state_attributes(self):
+        """ Returns optional state attributes. """
+        return self.device_state_attributes
+
     @property
     def unit_of_measurement(self):
         return self._value.units