[#5077] Improve performance in loading logic rules in admin

[vaszig]

Closes #5077

Changes

• Logic rules list in the admin was really slow as the logic rules increase because of the same queries happening for the form and the form step. Some joins were added in order to reduce the amount of the queries.

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

[vaszig]

Before:

After:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.72%. Comparing base (3f79ba2) to head (45b71ff).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5078   +/-   ##
=======================================
  Coverage   96.72%   96.72%           
=======================================
  Files         770      770           
  Lines       26517    26517           
  Branches     3454     3454           
=======================================
  Hits        25649    25649           
  Misses        606      606           
  Partials      262      262           

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