Keyboard shortcuts doesn’t work in webview

Describe the bug
After opening the BTT Configuration window, keyboard shortcuts will not work in webview until restart BTT. "Keyboard shortcuts" are common keyboard shortcuts like Command + A (select all), Command + C (copy), Command + V (paste).

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

Device information:

  • Type of Mac: Macbook pro late 2013
  • macOS version: big sur 11.6.5
  • BetterTouchTool version: 3.755

Keyboard shortcuts are no longer available on the webview after opening the btt clipboard window.