In Add users to group, only the first 10 can be viewed or selected

[RomuDeuxfois]

Proposed changes

• Add pagination to user management in group
• Add UserOutput to fit front end usage

Related issues

• Closes In Add users to group, only the first 10 can be viewed or selected #2077

Checklist

• I consider the submitted work as finished
• 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
• For bug fix -> I implemented a test that covers the bug

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[codecov]

Codecov Report

Attention: Patch coverage is 3.44828% with 56 lines in your changes missing coverage. Please review.

Project coverage is 35.02%. Comparing base (43019c7) to head (25a0e63).

Files with missing lines	Patch %	Lines
...a/io/openbas/rest/user/helper/UserQueryHelper.java	0.00%	27 Missing ⚠️
.../rest/user/service/UserCriteriaBuilderService.java	0.00%	27 Missing ⚠️
...pi/src/main/java/io/openbas/rest/user/UserApi.java	50.00%	2 Missing ⚠️

Additional details and impacted files

@@                 Coverage Diff                  @@
##             release/1.11.0    #2130      +/-   ##
====================================================
- Coverage             35.11%   35.02%   -0.09%     
- Complexity             1418     1419       +1     
====================================================
  Files                   535      537       +2     
  Lines                 16187    16248      +61     
  Branches               1037     1041       +4     
====================================================
+ Hits                   5684     5691       +7     
- Misses                10209    10263      +54     
  Partials                294      294              

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