Thermostate mode changed when setting temperature 
**Describe 

Thermostate mode changed to manu when setting temperature 

Version 0.0.219


**Which Homematic Device or Service the bug is about**
HM-CC-RT-DN

**To Reproduce**
1.  change temperature per Siri or home app
2.  temperature is set correctly 
3.  but the mode of the thermostate is set to manu 
4.  always

**Actual behaviour**
as said above

**Expected behavior**
The mode should not be affected by setting the temperature 

