Brightness indicator always maxed out and shows incorrect reading.

[oahshtsua]

The brightness indicator always shows a value greater than 100. Adjusting the brightness works and the value increases, but does not show an actual indication of how high the brightness is.

The actual brightness can be seen from the battery applet. However, it seems that the value in the applet does not change in real time and you need to close and reopen the applet to see the actual value.

Environment:
Nvidia Driver version: 550.67
Kernel: 6.8.0-76060800daily20240311-generic
Cosmic Session version: 0.1.0~1713557836~22.04~54c0955

[oahshtsua]

It seems that the value shown in the indicator is the actual brightness value rather than the percentage.