fix: remove app-content-details from global styling

[GretaD]

fixes nextcloud/mail#10570

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 11.13%. Comparing base (84abda7) to head (12707c4).
Report is 6 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #4302      +/-   ##
============================================
- Coverage     11.15%   11.13%   -0.02%     
  Complexity      265      265              
============================================
  Files           121      121              
  Lines          5533     5542       +9     
  Branches       1196     1200       +4     
============================================
  Hits            617      617              
- Misses         4794     4803       +9     
  Partials        122      122              

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[st3iny]

Squash and we are good to go.

[st3iny]

Also stylelint has something to say:

src/css/contacts.scss
  21:1  ✖  Expected empty line before rule  rule-empty-line-before

I think you need an empty line before the line: .app-contacts {