Description of problem:
Columns in the table are getting overlapped while adding more columns from "Manage columns" tab

Version-Release number of selected component (if applicable):
6.13.0, Snap-version-2.0

How reproducible:
always

Steps to Reproduce:
1.Go to "Hosts" tab, then switch to "All Hosts" tab
2.Select a VM and try to add few more columns through "Manage columns" tab
3.Clearly columns are overlapping

Actual results:
Columns in the table are getting overlapped while adding more columns from "Manage columns" tab

Expected results:
Columns should not overlap on adding new columns, maybe a different tab can be opened when many columns are being added.

Additional info: