REFACTOR: Cutout extension

[SMoraisAnsys]

Description

This PR refactors the cutout extensions and adds test to it.

Issue linked

Close #6288

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate tests (unit, integration, system).
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved by the PR if any.
• I have agreed with the Contributor License Agreement (CLA).

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[codecov]

Codecov Report

Attention: Patch coverage is 94.79769% with 9 lines in your changes missing coverage. Please review.

Project coverage is 85.37%. Comparing base (091eb1c) to head (42e2b25).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6321      +/-   ##
==========================================
+ Coverage   85.34%   85.37%   +0.02%     
==========================================
  Files         175      175              
  Lines       65983    66143     +160     
==========================================
+ Hits        56316    56467     +151     
- Misses       9667     9676       +9     

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[maxcapodi78]

It looks great. Thank you for your refactoring

[Samuelopez-ansys]

LGTM