run method
Runs this command.
The return value is wrapped in a Future if necessary and returned by
CommandRunner.runCommand.
Implementation
@override
void run() async {
  await initializeObs();
  await obs.general.triggerHotkeyByKeySequence(
    keyId: argResults!['key-id'],
    keyModifiers: KeyModifiers.fromJson(
      json.decode(argResults!['key-modifiers']),
    ),
  );
  obs.close();
}