[#5090] Make softRequiredErrors component always non required

[vaszig]

Closes #5090

Changes

Made softReuiredErrors always non required

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 96.73%. Comparing base (a4e2c38) to head (60d086a).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5116   +/-   ##
=======================================
  Coverage   96.73%   96.73%           
=======================================
  Files         774      774           
  Lines       26657    26657           
  Branches     3468     3468           
=======================================
  Hits        25787    25787           
  Misses        608      608           
  Partials      262      262           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.