Improve activity reporting

[PascalSenn]

Closes #7320

[codecov]

Codecov Report

Attention: Patch coverage is 60.86957% with 9 lines in your changes missing coverage. Please review.

Project coverage is 77.27%. Comparing base (5902ca2) to head (98838b5).

Files	Patch %	Lines
...te/Diagnostics/src/Diagnostics/ActivityEnricher.cs	60.86%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7354      +/-   ##
==========================================
+ Coverage   77.24%   77.27%   +0.03%     
==========================================
  Files        2461     2787     +326     
  Lines      122152   139107   +16955     
==========================================
+ Hits        94354   107498   +13144     
- Misses      27798    31609    +3811     

Flag	Coverage Δ
unittests	77.27% <60.86%> (+0.03%)	⬆️

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