Light Explorer 2D Lights search bar does not display text when typed into

Reproduction steps:
1. Create a new project
2. Window > Rendering > Light Explorer
3. Select “2D Lights” tab
4. Click on the search bar and type anything
5. Observe the search bar

Actual result: Typed text is not displayed in the search bar
Expected result: Typed text is displayed in the search bar

Reproducible with: 6000.0.0f1, 6000.0.76f1, 6000.3.18f1, 6000.4.12f1, 6000.5.0f1, 6000.6.0a7

Reproduced on: macOS Tahoe 26.5 (M4), Ubuntu 24.04, Windows 11