364-quiz-attempts-cannot-be-deleted

Closes #364 (closed)

What does this MR do?

exporte the ifconfirm function to the quiz page

How confident are you it won't break things if deployed?

quite

Links to related issues

Checklist

• added a test, or explain why one is not needed/possible...
• no unrelated changes
• asked someone for a code review
• joined #foodsharing-beta channel at https://slackin.yunity.org
• added an entry to CHANGELOG.md (description, merge request link, username(s))