Search filters are not applied when selecting top tree view items in Saved Searches Panel of Lighting Search window

Reproduction steps:
1. Create a new project
2. Window > Rendering > Lighting Search
3. Click “Toggle Saved Searches Panel” button in the Lighting Search window
4. Select any of the top tree view items (e.g. “Emissive Materials”) in Scene Lighting Data section and observe the search field

Actual result: Search filter for the selected item is not applied
Expected result: Search filter for the selected item is applied

Reproducible with: 6000.5.0a8
Couldn’t reproduce with: 6000.0.70f1, 6000.3.10f1, 6000.4.0b11 (No Lighting Search window), 6000.5.0a7 (No Scene Lighting Data section in Saved Searches Panel)

Reproduced on: macOS Tahoe 26.3 (M4), Windows 11

Note: Several tree view items need to be expanded to select item that applies search filter