Quiz submission validation CLI command

[merkushin]

Resolves #7077

Proposed Changes

• Add quiz submission validation CLI command.

Testing Instructions

0. Make sure you have custom tables created. (Remove sensei-version from wp_options if you don't.)
1. Run wp sensei validate quiz-submission before running migration. It is expected to get a bunch of errors like Tables-based submission not found.
2. Run migration from Sensei LMS > Tools
   If it is not the first run, delete two options:

DELETE FROM wp_options where option_name = 'sensei_migrated_progress_last_comment_id';
DELETE FROM wp_options where option_name = 'sensei_migrated_quiz_last_comment_id';

3. Run wp sensei validate quiz-submission after migration. No errors expected.
4. Now try to play with data. You can first remove some tables-based submissions, grades, and answers. After running the tool it is expected to see corresponding errors.
5. Now do the same with comments-based submissions, grades, and answers.

Pre-Merge Checklist

• PR title and description contain sufficient detail and accurately describe the changes
• Acceptance criteria is met
• Decisions are publicly documented
• Adheres to coding standards (PHP, JavaScript, CSS, HTML)
• All strings are translatable (without concatenation, handles plurals)
• Follows our naming conventions (P6rkRX-4oA-p2)
• Hooks (p6rkRX-1uS-p2) and functions are documented
• New UIs are responsive and use a mobile-first approach
• New UIs match the designs
• Different user privileges (admin, teacher, subscriber) are tested as appropriate
• Code is tested on the minimum supported PHP and WordPress versions
• User interface changes have been tested on the latest versions of Chrome, Firefox and Safari
• "Needs Documentation" label is added if this change requires updates to documentation
• Known issues are created as new GitHub issues

[github-actions]

WordPress Dependencies Report

The github-action-wordpress-dependencies-report action has detected some script changes between the commit 70e315d and trunk. Please review and confirm the following are correct before merging.

No changes detected in the current commit. But the comment was left so it is possible to check for the edit history.

This comment was automatically generated by the github-action-wordpress-dependencies-report action.

[codecov]

Codecov Report

Merging #7251 (70e315d) into trunk (f93f87f) will increase coverage by 0.20%.
Report is 139 commits behind head on trunk.
The diff coverage is 76.83%.

@@             Coverage Diff              @@
##              trunk    #7251      +/-   ##
============================================
+ Coverage     50.53%   50.74%   +0.20%     
- Complexity    10932    11020      +88     
============================================
  Files           607      610       +3     
  Lines         46149    46544     +395     
  Branches        402      402              
============================================
+ Hits          23322    23619     +297     
- Misses        22500    22598      +98     
  Partials        327      327              

Files	Coverage Δ
includes/class-sensei-cli.php	0.00% <0.00%> (ø)
...des/cli/class-sensei-validate-progress-command.php	0.00% <0.00%> (ø)
.../class-sensei-validate-quiz-submission-command.php	0.00% <0.00%> (ø)
...n/validations/class-quiz-submission-validation.php	84.32% <84.32%> (ø)

... and 10 files with indirect coverage changes

---

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[m1r0]

It works great! 💯

I've noticed some small code duplication between the validation classes but there is not much logic in that code so I think it's ok. 👍