Description of problem:
Overall status is green even if one error occurred. All statuses were cleared before the error.
By overall status I mean the one next to `Host status` card title and the hostname.
See attached screenshot.

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

How reproducible:
always

Steps to Reproduce:
1. Clear all hosts statuses
2. Make sure that the 'Host status' card says All statuses cleared
3. Create one error status: e.g. run rex without adding rex key

Actual results:
Overall status with the green checkmark.

Expected results:
Overall status should be an error as there was an error status in rex.

Additional info:
Errata status: 'All errata up-to-date'