Touch bar Brightness slider under CTRL modifier key does not work

Describe the bug
Brightness slider under CTRL modifier key does not work

Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
Touch bar

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Device information:

  • Type of Mac: MBP 2017
  • macOS version: Mojave (Latest)
  • BetterTouchTool version: 2.645

Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):
Using alt, shift or command as modifier makes the slider work again.

Note: Before bug reporting, please make sure you have the latest version of BetterTouchTool and that you have already tried to restart your system :-). If you encounter a crash, please attach a crash log from the macOS from the "User Diagnostic Reports" section.

When pressing ctrl it will change the brightness for any external display that is connected.
Maybe I can make that optional.

Well, I'm not sure how that's supposed to be user-friendly if it's not specified when you select "CTRL" as the modifier key...

Please make it optional!