[BUG] "Set SteamVR as OpenXR runtime" button doesn't do anything

[Reonu]

Describe the bug
This button doesn't do anything, and the runtime is not set.

To Reproduce
Steps to reproduce the behavior:

1. Click "Set SteamVR as OpenXR runtime"
2. Observe that no json is created or modified in ~/.config/openxr/1 and the runtime is not set

Expected behavior
It should set the OpenXR runtime.

System Information (please complete the following information):
Please use the latest Steam beta client and SteamVR beta for your bug reports!

• Steam client version (build number or date):
• SteamVR version: Beta 1763795278
• Distribution (e.g. Ubuntu): EndeavourOS up to date
• Steam runtime diagnostics:

steamruntimeinfo.txt

• Steam and SteamVR logs:

steam-logs.tar.gz

• Minidumps:

steam-minidumps.tar.gz

Screenshots

Additional context