Brightness bar not at 100%

[AlexPerathoner]

Before opening the issue, have you...?

• Searched for existing issues
• Updated SlimHUD to the latest version (if applicable)

Describe the bug

When the laptop is on battery, the max screen brightness is lowered. SlimHUD still uses the real max value. So when setting the brightness to the max, the hud is at around 90%, which can be confusing

Steps to reproduce

1. use a MacBook
2. use battery
3. set max brightness

Expected behavior

HUD should show 100% brightness

Anything else?

No response

Environment Information (please complete the following information)

- macOS version: 13.1
- Mac model: MBP 13
- Monitor(s): built in
- Apple Silicon/M1 (yes or no): no

[AlexPerathoner]

MonitorControl doesn't have this issue. See their code for a solution