Description of problem:
Virtualization => Templates 
The Source provider column for templates with provided boot resources in version 4.8.0-477 was shown as "Available" with a green check mark but after update to 4.8.0-480, the column still shows the green check mark but now "Unavailable".  

Version-Release number of selected component (if applicable):
previous (created the source provider):  4.8.0-477
updated to: 4.8.0-480

How reproducible:
n/a

Steps to Reproduce:
1. create the source provider for Red Hat Enterprise Linux 8.0+ VM template by providing URL to download 
2. wait for completion - green check mark and VM can be created and shows "... available .." (exact term is missing)
3. update to 480 version

Actual results:
The previously Available entry changed to "Unknown"


Expected results:
After upgrade, the entry stays as "...available..."


Additional info:
The result is from OpenShift Virtualization 4.8.0 hackfest - limited (unsupported) environment given.

must-gather: https://drive.google.com/file/d/1oarBORWNTXcmT2HGVenTajBmy0VvXqoZ/view?usp=sharing