Icons are not displayed properly in WikiManager livetable's Action column

STEPS TO REPRODUCE

1. Login as Admin
2. Create an user (U1)
3. Grant Wiki Creation Right for the user
4. Create some subwikis with different Membership Types
5. Invite the user to join a subwiki
6. Login as user (U1)
7. Join an Open subwiki
8. Go to WikiManager page and observe the livetable

EXPECTED RESULTS

The icons in action column are displayed properly (icon near the action's name link).

ACTUAL RESULTS

The icons are repeated for most actions and displayed actually on the action's name link.

The issue could not be reproduced on XWiki 11.7.