Describe the bug
When Launching Steam VR, the VR View Window Starts in "Full Screen" but this is not actually Full Screen on my system. This is effecting Gnome 39 and Gnome 40

To Reproduce
Steps to reproduce the behavior:

1. Start SteamVR
2. Press ESC to Exit "Full Screen" which is not actually Full Screen
3. Click The Full Screen Buton

Expected behavior
The VR View Window goes into Full Screen when the Full Screen button is Clicked

System Information (please complete the following information):

• Distribution: Void Linux
• SteamVR version: 1.18.7
• Steam client version: July 20th 2021
• Opted into Steam client beta?: No
• Graphics driver version: Mesa 21.1.5 (ACO)
• Gist for SteamVR System Information: https://gist.github.com/3f75c8b04663fd69385c7e6fddb0c7f6

Screenshots
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Additional context
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Note: Commenters who are also experiencing this issue are encouraged to include the "System Information" section in their replies.