Merge hot-fixes from master

[StephenHulme]

Merge to develop after #5814 and #5816

Changes proposed in this pull request

• Add missing permitted_classes for submissions

Instructions for Reviewers

[All PRs] - Confirm PR template filled
[Feature Branches] - Review code
[Production Merges to main]
    - Check story numbers included
    - Check for debug code
    - Check version

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.32%. Comparing base (0651203) to head (f34e8fe).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #5815      +/-   ##
===========================================
- Coverage    87.36%   87.32%   -0.04%     
===========================================
  Files         1480     1480              
  Lines        33637    33637              
  Branches      3569     3569              
===========================================
- Hits         29386    29375      -11     
- Misses        4230     4241      +11     
  Partials        21       21              

Flag	Coverage Δ
javascript	76.31% <ø> (ø)
ruby	87.33% <100.00%> (-0.04%)	⬇️

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[BenTopping]

Thank you :)