[OpenDaikin] Mode switch is not persistant

When you use the OpenDaikin Binding from Eclipse Marketplace and change the Fanspeed, it will always fall back to “AUTO”.

2019-06-14 22:55:21.113 [ome.event.ItemCommandEvent] - Item 'DaikinKlimaanlageZimmerMikaPower' received command ON
2019-06-14 22:55:21.131 [nt.ItemStatePredictedEvent] - DaikinKlimaanlageZimmerMikaPower predicted to become ON
2019-06-14 22:55:21.148 [vent.ItemStateChangedEvent] - DaikinKlimaanlageZimmerMikaPower changed from OFF to ON
2019-06-14 22:55:28.395 [ome.event.ItemCommandEvent] - Item 'DaikinKlimaanlageZimmerMikaFanspeed' received command SILENCE
2019-06-14 22:55:28.415 [nt.ItemStatePredictedEvent] - DaikinKlimaanlageZimmerMikaFanspeed predicted to become SILENCE
2019-06-14 22:55:28.425 [vent.ItemStateChangedEvent] - DaikinKlimaanlageZimmerMikaFanspeed changed from AUTO to SILENCE
...
2019-06-14 22:56:14.415 [vent.ItemStateChangedEvent] - DaikinKlimaanlageZimmerMikaFanspeed changed from SILENCE to AUTO