Wayland hotkeys no longer work after "steamcompmgr: Fix HDR/output caps enablement"

[matte-schwartz]

Is there an existing issue for this?

• I have searched the existing issues

Are you using any gamescope patches or a forked version of gamescope?

• The issue occurs on upstream gamescope without any modifications

Current Behavior

Since 6a99868, trying to use Wayland backend hotkeys like Super + F no longer works on Plasma 6 Wayland.

Steps To Reproduce

1. Launch gamescope -- vkcube on Plasma 6 Wayland
2. Try to use Super + F to fullscreen the window

Hardware information

- Distro: CachyOS
- CPU: 32-core AMD Ryzen Threadripper 7970X
- GPU: Advanced Micro Devices [AMD/ATI] Navi 31 [Radeon RX 7900 XT/7900 XTX/7900M]
- Driver Version: Mesa 25.1.0-devel (git-14bc2e2d39)

Software information

- Desktop environment: KDE 6.3.2
- Session type: wayland
- Gamescope version: gamescope version 3.16.1-43-g0a09639d (gcc 14.2.1)
- Gamescope launch command(s): gamescope -- vkcube

Which gamescope backends have the issue you are reporting?

• Wayland (default for nested gamescope)
• DRM (default for embedded gamescope, i.e. gamescope-session)
• SDL
• OpenVR

Logging, screenshots, or anything else

No response