add a showOnlyIf param to withHelpOnFailureBasedOnDefinedSubject

[robstoll]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c7ce68a) 91.83% compared to head (73b789e) 91.83%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1674   +/-   ##
=========================================
  Coverage     91.83%   91.83%           
  Complexity      114      114           
=========================================
  Files           423      423           
  Lines          4604     4605    +1     
  Branches        228      228           
=========================================
+ Hits           4228     4229    +1     
  Misses          330      330           
  Partials         46       46           

Flag	Coverage Δ
current	91.40% <100.00%> (+<0.01%)	⬆️
current_windows	90.53% <100.00%> (+<0.01%)	⬆️

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