Saved Searches Filter gets cleared after docking the Search window multiple times

Steps to reproduce:

1. Open the attached project
2. Open a Search window
3. In the Saved search section, enter a "zzz" filter
4. Observe that only one query is shown
5. Dock and undock the Search window and observe the search query results again

Actual results: The saved searches filter gets reset after docking/undocking the Search window multiple times

Expected results: The saved searches filter does not get reset after docking/undocking the Search window

Reproducible with versions: 6000.4.0b10, 6000.4.4f1, 6000.5.0a8, 6000.6.0a4

Not reproducible with versions: 6000.0.73f1, 6000.3.14f1, 6000.4.0b9, 6000.5.0a1 6000.5.0a7

Tested on (OS): macOS 26.4.1

Notes:

• After one redock, the filter query disappears, but the searches are still filtered. After the second redock, the saved searches result gets reset as well