Reproduction steps:
1. Open the “IN-77438.zip” project
2. Build and Run the project
3. Enter Fullscreen mode in the Player
4. Observe the Player

Expected results: No black bars appear around the main view
Actual results: Black bars appear around the main view

Reproducible with: 6000.0.5f1
Not reproducible with: 2021.3.39f1, 2022.3.33f1 (Accessibility Module is not available)

Reproducible on: macOS 14.4.1 (M1 Max)
Not reproducible on: Windows 10

Notes:
- Black bars may appear as horizontal or vertical lines around the main view
- After entering Fullscreen mode and going back to Windowed mode a couple of times, the Player screen may become dark and nothing gets shown
- “Assertion failed on expression: 'f >= (-2147483647 -1) && f <= 2147483647'“ errors may appear in the Player logs, although CQA was not able to reproduce this
- Not reproducible in the Editor