Get the questions for a single player quiz

curl --request GET \
  --url http://localhost:8787/api/v1/quiz-submissions/singleplayer/{quizId}/questions

{
  "quizId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "quizTitle": "<string>",
  "quizScore": 123,
  "totalTime": 123,
  "correctAnswersCount": 123,
  "totalQuestions": 123,
  "questions": [
    {
      "text": "<string>",
      "correctAnswer": "<string>",
      "userAnswer": "<string>"
    }
  ],
  "passingScore": 123
}