refactor(yaml): replace chooseScalarType() callback with implicitTypes argument

[timreichen]

Changes
This PR removes the callback of chooseScalarType() and passes implicitTypes instead.

Reasoning
This allows to the inline the code of the utility function testImplicitResolving(), which is clearer to read and understand.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.28%. Comparing base (99200dc) to head (49edc92).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5750      +/-   ##
==========================================
- Coverage   96.28%   96.28%   -0.01%     
==========================================
  Files         474      474              
  Lines       38383    38379       -4     
  Branches     5578     5579       +1     
==========================================
- Hits        36957    36953       -4     
  Misses       1384     1384              
  Partials       42       42              

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[iuioiua]

Thanks!