FIX: Select "user specified settings" setting more reliably

[lorenzovecchietti]

Close #5263

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.26%. Comparing base (7e793f9) to head (8c7af07).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5275   +/-   ##
=======================================
  Coverage   83.26%   83.26%           
=======================================
  Files         143      143           
  Lines       58471    58470    -1     
=======================================
+ Hits        48683    48686    +3     
+ Misses       9788     9784    -4     

[SMoraisAnsys]

LGTM, I left a minor comment. Can't we directly access the attributes instead of using getattr ? It would make sense if we provided a default value in cases where self._mesh_class does not have the attribute, but we are not leveraging that here.

[SMoraisAnsys]

LGTM
@lorenzovecchietti Sry for the typo in my previous change proposition !