[backend] Fixing random login errors

[Dimfacion]

Proposed changes

• Fixing random login errors

Related issues

• 647

Checklist

• [x] I consider the submitted work as finished
• [x] I tested the code for its functionality
• [ ] I wrote test cases for the relevant uses case
• [ ] I added/update the relevant documentation (either on github or on notion)
• [ ] Where necessary I refactored code to improve the overall quality

Further comments

This needs to be tested extensively ... The fix is to prevent the callback of the SAML Provider to recreate an HttpSession if the previous one is older than 120s.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 16.66667% with 25 lines in your changes missing coverage. Please review.

Project coverage is 27.03%. Comparing base (ae5f5ce) to head (9802c54). Report is 15 commits behind head on master.

Files	Patch %	Lines
...g/OpenBASSaml2AuthenticationRequestRepository.java	16.66%	25 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1085 +/- ## ============================================ - Coverage 27.06% 27.03% -0.03% - Complexity 1056 1058 +2 ============================================ Files 468 469 +1 Lines 11059 11089 +30 Branches 558 561 +3 ============================================ + Hits 2993 2998 +5 - Misses 7981 8006 +25 Partials 85 85 ```

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