[backend/frontend] Save authorized members activation date (#4961)

[marieflorescontact]

Proposed changes

• backend :Add/save authorized_members_activation_date attribute on auth members activation + test
• frontend : add "Restriction date" colomn

Related issues

• Management panel for Access Restriction on Knowledge Entities #4961

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.41%. Comparing base (979dd3e) to head (ade22e9).
Report is 87 commits behind head on release/6.5.0.

Additional details and impacted files

@@              Coverage Diff               @@
##           release/6.5.0    #9526   +/-   ##
==============================================
  Coverage          65.40%   65.41%           
==============================================
  Files                630      630           
  Lines              60276    60299   +23     
  Branches            6779     6785    +6     
==============================================
+ Hits               39424    39443   +19     
- Misses             20852    20856    +4     

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