Description of problem: List of repositories are not showing under "Repository sets" tab which associated with Content host (and Content view), to see all list of repos either refresh page or go to any other tab and again come to "Repository sets" tab

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

How reproducible:

Steps to Reproduce:
1. Create CV > Add repositories > Create ak > Register host
2. Navigate to Hosts - Content Host page, click Host name from the Name column.
3. Go to tab Content -> Repository sets

Actual results:
Repositories won't show

Expected results:
List of repositories should show under Content -> Repository sets tab

Additional info: Adding screencast