Reproduction steps:
1. Open the attached “IN-88749” project
2. Build the Project (File > Build Settings)
3. Launch the Player
4. (Optional) If the Player does not launch in full-screen, then make it full-screen by pressing F12 key and relaunch it
5. Leave the full-screen Player by pressing the F12 key
6. Move the Player window around
Expected result: Window moves normally
Actual result: Window creates visual artifacts
Reproducible with: 2021.3.45f1, 2022.3.54f1, 6000.0.31f1, 6000.1.0a8
Reproducible on: Ubuntu 22.04
Not reproducible on: Ubuntu 20.04, Ubuntu 24.04, Windows 10
Notes:
- Reproduces using X11. Does not reproduce using Wayland.