GUI scaling fixes

[SJuliez]

This and the PRs for MM and MHQ (merge together) fix some remaining gui scaling issues.

• changes the code for the recent units in the file menu so that the path is again smaller and scales
• adaptation to MM changes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 2.17%. Comparing base (148b93b) to head (dca68e8).
Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##             master   #1637   +/-   ##
========================================
  Coverage      2.17%   2.17%           
  Complexity      209     209           
========================================
  Files           266     266           
  Lines         30758   30752    -6     
  Branches       5259    5259           
========================================
  Hits            669     669           
+ Misses        29932   29926    -6     
  Partials        157     157           

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