How to reproduce:
1. Open the attached “IN-135030” project
2. In the menu bar, navigate to Window > TestIconFont > TestIconFontWindow
3. Observe the TestIconFontWindow
Actual result: Text is displayed, but there are no icons
Expected result: Text and icons are diplayed
Reproducible with: 6000.3.8f1, 6000.3.10f1
Not reproducible with: 6000.0.68f1, 6000.3.7f1, 6000.4.0b10, 6000.5.0a7
Reproducible on: macOS 26.3 (M1 Pro)
Not reproducible on: No other environments tested
Note: The same issue is observed when adding the USS in the UI Builder