function isCtrlMetaKey(keyCode) {
  return [KEY_CODES.CONTROL, KEY_CODES.COMMAND_LEFT, KEY_CODES.COMMAND_RIGHT, KEY_CODES.COMMAND_FIREFOX].includes(keyCode);
}
Checks if passed key code is ctrl or cmd key. This helper checks if the key code matches to meta keys
regardless of the OS on which it is running.

@param {Number} keyCode Key code to check.
@returns {Boolean}