System Details:
   OS: Windows 11 25H2
   Tixati Version: 3.44
   Number of Active/Total Torrents: 20+/10000+

Steps to Reproduce:
   1. Open Tixati.
   2. Click on any category listed in the left-hand panel to switch the view.
   3. The UI immediately freezes and enters a "Not Responding" state temporarily.

Suggested Solution:
   Only render visible rows in the ListView