Hierarchy V2 Find Scene References search query overlaps with the Search Bar's "Search Item" background text when Query Builder is disabled

Steps to reproduce:

1. Open the attached project
2. Open the TestScene
3. Open Preferences -> General and disable Query Builder
4. Select an object in the Hierarchy window
5. Right-click and select Find References In Scene
6. Observe the Hierarchy's Search Field

 

Actual results: Object's reference search query overlaps with the Search Bar's "Search Item" background text

Expected results: Search Bar's "Search Item" background text disappears when the Object's reference search query is entered

 

Reproducible with versions: 6000.3.0a2, 6000.3.0a6

Can’t test with versions: 6000.0.56f1, 6000.1.16f1, 6000.2.1f1, 6000.3.0a1 (Hierarchy V2 not available)

Tested on (OS): Ubuntu 24.04, macOS 15.6.1