* refactor: 💡 Improve hotkeyPreferences proptypes / add lowercase
Improve hotkeyPreferences proptypes and lowercase event keys to guard
against different browsers casings
* Add isRequired to proptypes and empty hotkeys message
* refactor: 💡 Improve hotkeyPreferences proptypes / add lowercase
Improve hotkeyPreferences proptypes and lowercase event keys to guard
against different browsers casings
* Add isRequired to proptypes and empty hotkeys message