LiveData: “Assignee” column does not show sorting arrows (ASC/DESC)

[AndreeaTarataB]

Steps to reproduce

1. Click on Task Manager from application panel
2. Go to "Deadline" column from LiveData
3. Click on top of it

Expected behavior

The Assignee column displays the sorting arrows (ASC/DESC).

Actual behavior

Assignee column does not show the sort arrows.

Envinronment:
OS: Windows 11 Pro
Browser Chrome: 142
XWiki version: XWiki 14.10
App version: Task Manager Application 3.10.0-rc-1