"Maximize Window" does not work with iCalendar

Describe the bug
A clear and concise description of what the bug is.

The "Maximize" shortcut (as well as Maximize Window Right/Left) does not work with the default macos Calendar app.

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

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Device information:

  • Type of Mac: MBP 15" 2016
  • macOS version: 10.14
  • BetterTouchTool version: 2.717

Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):
Open up calendar and resize it to not full screen. Map any action to "Maximize Window". I use "Three finger swipe up".

Attempt to invoke that action. It works for any window except for the calendar one.

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 Console.app from the "User Diagnostic Reports" section.