zxt_120 set temperature did not update on setpoint (#3380)

homeassistant/components/climate/zwave.py

@@ -261,6 +261,7 @@ class ZWaveClimate(ZWaveDeviceEntity, ClimateDevice):
                     self._target_temperature = temperature
                     # ZXT-120 responds only to whole int
                     value.data = round(temperature, 0)
+                    self.update_ha_state()
                     break
                 else:
                     _LOGGER.debug("Setting new setpoint for %s, "