Support preserve_symlinks=False for directories

[coretl]

Fixes #1819

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.79%. Comparing base (c53b928) to head (b404eb7).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1820   +/-   ##
=======================================
  Coverage   97.78%   97.79%           
=======================================
  Files          49       49           
  Lines        5108     5116    +8     
=======================================
+ Hits         4995     5003    +8     
  Misses        113      113           

Flag	Coverage Δ
unittests	97.79% <100.00%> (+<0.01%)	⬆️

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[sisp]

Excellent work, @coretl! 👌 Thanks for identifying this bug and fixing it so promptly! 🙇 Apologies for the regression.

[coretl]

No problem, is there any chance of a patch release soon? Otherwise I'll have to communicate to users of our template that they need to downgrade copier to use it...