[#5124] Hidden/disabled prefill fields trigger validation

[vaszig]

Closes #5124

Changes

• When a component (or its parent is disabled and hidden, the validation in the backend is triggered since there is no data for the specific key. This means, for our validator, that the data has been changed and raises an error.

• Additional test for the case someone omits the submission data (affects the prefill data).

Checklist

Check off the items that are completed or not relevant.

• Impact on features

  • Checked copying a form
  • Checked import/export of a form
  • Config checks in the configuration overview admin page
  • Problem detection in the admin email digest is handled

• Release management

  • I have labelled the PR as "needs-backport" accordingly

• I have updated the translations assets (you do NOT need to provide translations)

  • Ran ./bin/makemessages_js.sh
  • Ran ./bin/compilemessages_js.sh

• Dockerfile/scripts

  • Updated the Dockerfile with the necessary scripts from the ./bin folder

• Commit hygiene

  • Commit messages refer to the relevant Github issue
  • Commit messages explain the "why" of change, not the how

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.74%. Comparing base (069f6d5) to head (8b7c2f6).
Report is 44 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5135      +/-   ##
==========================================
- Coverage   96.75%   96.74%   -0.01%     
==========================================
  Files         777      779       +2     
  Lines       26724    26776      +52     
  Branches     3474     3484      +10     
==========================================
+ Hits        25856    25905      +49     
- Misses        606      607       +1     
- Partials      262      264       +2     

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[viktorvanwijk]

Just a failing end-to-end test, but probably flakiness by the looks of it :)

[vaszig]

Just a failing end-to-end test, but probably flakiness by the looks of it :)

Yes, I remember this failing in master as well. I re-run the CI one more time to see if this is the case.