mapSingleAnswer method
Implementation
Widget mapSingleAnswer() {
  if (widget.quizAnswer.answers.isEmpty) {
    return const Text('');
  }
  return Text(
    '${removePipes(widget.quizAnswer.answers.first)}${concatUnit()}',
    maxLines: 1,
    overflow: TextOverflow.ellipsis,
    style: const TextStyle(
      fontWeight: FontWeight.bold,
    ),
  );
}