systrayicon: user determination not working

### Describe the problem, feature or ask a question:

It seems the user determination for the systray icon is not working well.

<img width="1134" height="497" alt="Image" src="https://github.com/user-attachments/assets/c87db16e-4f3e-4a6a-aa31-a1e8472373ad" />

This was captured with pre-packaged 1.6.1 on Debian unstable/14 using XFCE (non wayland).