[backend] dissemination list fix audit log on disseminate (#5551)

[aHenryJard]

Proposed changes

• Move activity log out of background task to get it work (requires a connected user).

Related issues

• part of Create mailing lists in the platform for the default mailer #5551

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

Attention: Patch coverage is 4.76190% with 20 lines in your changes missing coverage. Please review.

Project coverage is 64.23%. Comparing base (e6105f4) to head (d35c9fa).
Report is 2 commits behind head on release/6.5.0.

Files with missing lines	Patch %	Lines
...ules/disseminationList/disseminationList-domain.ts	4.76%	20 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff               @@
##           release/6.5.0    #9784   +/-   ##
==============================================
  Coverage          64.23%   64.23%           
==============================================
  Files                655      655           
  Lines              62813    62813           
  Branches            6956     6959    +3     
==============================================
  Hits               40351    40351           
  Misses             22462    22462           

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