Description of problem:

The Server Name in the configuration page is blank upon visiting. The Zone field is also blank and disabled.
The Server Name can be edited, but nothing is saved when clicked and the original server name EVM, is instead cleared and set to null.

Version-Release number of selected component (if applicable): 5.10.0.1.20180619163011_900fdc4


How reproducible: 100%


Steps to Reproduce:
1. Goto appliance configuration
2. Modify any field, eg NTP server
3. Hit save

Actual results:
Server name is cleared in database resulting in the name attribute being missing from the REST API.

Expected results:
The UI should show EVM as the server name

Additional info: