[stable7.0] fix: Instantiation of ContactsManager

[backportbot]

Backport of PR #4394

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 65.54%. Comparing base (3a4b7d2) to head (cbf9d6b).
Report is 2 commits behind head on stable7.0.

Files with missing lines	Patch %	Lines
lib/Service/SocialApiService.php	66.66%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##             stable7.0    #4399       +/-   ##
================================================
+ Coverage         2.32%   65.54%   +63.21%     
- Complexity           0      265      +265     
================================================
  Files               96       26       -70     
  Lines             4765      772     -3993     
  Branches          1187        0     -1187     
================================================
+ Hits               111      506      +395     
+ Misses            4533      266     -4267     
+ Partials           121        0      -121     

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