[BUG] tray support not working on rhel

[NicTanghe]

Checklist before submitting an issue

• I have searched through the existing closed and open issues for eww and made sure this is not a duplicate
• I have specifically verified that this bug is not a common user error
• I am providing as much relevant information as I am able to in this bug report (Minimal config to reproduce the issue for example, if applicable)

Description of the bug

I dont remember anny build errors but tray doesnt show up in rhel.
did show up with same config in PoPoS

Reproducing the issue

install RHEL,
configure tray

Expected behaviour

tray also works

Additional context

Tray doesn`t work