Quiz attempt review enhancements

[b-l-i-n-d]

Summary

• Add is_attempt_answer_skipped() helper method
• Refactor review_quiz_answer() to handle skipped questions
• Use status_badges array for multiple status badges in question headers
• Add question_id data attribute for manual review actions
• Fix status fallback values to use 'incorrect' consistently
• Show skipped questions in attempt details
• Disable pointer cursor for non-interactive question previews (except scale)

Commits

• fix(quiz): add is_attempt_answer_skipped() and fix docblock
• feat(quiz): refactor review_quiz_answer to handle skipped questions
• refactor(quiz): use status_badges array for multiple badges
• fix(quiz): correct status fallback values
• feat(quiz): add question_id data attribute for manual review
• fix(quiz): show skipped questions in attempt details
• fix(preview): disable pointer cursor for non-interactive question options

[shewa12]

There is already a method for fetching attempt: tutor_utils()->get_attempt( $attempt_id )

[b-l-i-n-d]

We still need get_attempt_answer_by_attempt_and_question() because creating a placeholder row is only correct when no answer row already exists for the same attempt_id + question_id. In the skipped legacy case there is no attempt_answer_id, so the review flow first has to look up by attempt_id and question_id: if a row exists we should update it, and if not we create the missing row and then apply the review. Without that lookup the fallback becomes a blind insert, which can create duplicate attempt-answer rows for questions that already have a saved record.