:bug: [#4528] Disable OIDC SessionRefresh middleware

[stevenbal]

previously, if the session in the OIDC provider expired and the sessionrefresh middleware is triggered, the user can not automatically re-authenticate, causing to 403s (and losing changes made in the form designer). In order to avoid session synchronization issues, we remove the SessionRefresh completely, meaning that OIDC is used for logging in, but Open Forms itself is then in charge of managing the session.

Closes #4528

Changes

• Disable OIDC SessionRefresh middleware

Checklist

Check off the items that are completed or not relevant.

• Impact on features

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

• Release management

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

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

  • [x] Ran ./bin/makemessages_js.sh
  • [x] Ran ./bin/compilemessages_js.sh

• Commit hygiene

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

[stevenbal]

@sergei-maertens does this need backporting?

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.56%. Comparing base (bfc679d) to head (7073aa1). Report is 3 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #4757 +/- ## ======================================= Coverage 96.56% 96.56% ======================================= Files 746 746 Lines 25202 25200 -2 Branches 3318 3317 -1 ======================================= - Hits 24336 24335 -1 Misses 602 602 + Partials 264 263 -1 ```

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[sergei-maertens]

@sergei-maertens does this need backporting?

yeah let's do it! it's a simple patch, shouldn't cause any trouble and it can take away a lot of frustration

[stevenbal]

Backports:

• https://github.com/open-formulieren/open-forms/pull/4760
• https://github.com/open-formulieren/open-forms/pull/4761