Reproduction steps:
1. Create a new project
2. Install App UI Package via Package Manager or AI button in the top Editor toolbar
3. Window > App UI > Icon Browser
4. Select Style Sheet in App UI - Icon Browser window
5. Enable Show required icons
6. Type something into the search field that will produce no results (e.g. “q”) and observe
Actual result: Search field gets disabled and text cannot be removed
Expected result: Search produces no results and text can be removed from the search field
Reproducible with: 2.0.0 (6000.0.65f1), 2.1.3 (6000.0.65f1, 6000.3.3f1, 6000.4.0b3, 6000.5.0a4)
Reproduced on: macOS Tahoe 26.2 (M4)
Notes:
- Search field gets disabled instantly after entering a character that would produce no results
- Closing and reopening the window reenables the search field