Description of problem:

Change an appliance's zone from the default zone to a newly created zone is not 
reflected in the UI on the left hand side. 

The appliance's config yaml does relfect the newly assigned zone. 

Version-Release number of selected component (if applicable): 5.4.0


How reproducible:
very

Steps to Reproduce:
1. create a new zone
2. change appliance's zone from default to new zone
3. save the change
4. refresh the UI
5. appliance still is shown in the default zone
6. configuration yaml does reflect the new zone


Actual results:
appliance does not reflect new zone

Expected results:
UI should reflect the newly assigned zone

Additional info: