Description of problem:
"Source available" label cannot show up if just stay on the template list after edit boot source reference

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

How reproducible:

Steps to Reproduce:
1. Go to template list
2. Edit rhel7 boot source reference
3. Stay on the page and don't navigate away

Actual results:
"Source available" label isn't showing up after wait enough time

Expected results:
"Source available" label is showing up after the boot source is uploaded

Additional info:
Navigate away and back, then could see the label