[BUG] Keyboard backlight indicator doesn't work on thinkpad

Submission checklist

• I have searched existing issues and confirmed this is not a duplicate.
• I am using the latest available version of Noctalia.

Bug description

When I hit fn+space on my thinkpad t470s (toggle keyboard backlight) it doesn't show osd even tho keyboard backlight indicator turned on

Steps to reproduce

1. Hit fn+space to turn on keyboard backlight on thinkpad laptops
2. No brightness indication even tho keyboard backlight osd turned on

Expected behavior

Show keyboard backlight indicator on screen

Actual behavior

No keyboard backlight indicator when turning keyboard backlight

Logs / error output

Noctalia version

5.1.0

Compositor

Niri

Distribution

Arch-based

Environment information

Thinkpad t470s
I5 7300u
620 igpu
Keyboard backlight included

Additional context

No response