Description of problem:

Restore defaults in manage columns includes only mandatory ones not defaults

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

2.9

How reproducible: Always

Steps to Reproduce:

1. Go to GRC policies page
2. Click on manage columns
3. Click on restore defaults and apply

Actual results:

Only Name, CV, Namespace are shown in table rest of the defaults getting unchecked

Expected results:

Defaults(Name,namespace,cv, remediation,source,policyset) stay checked

Additional info: