REFACTOR: 6375 migrate shielding effectiveness extension

[eblanco-ansys]

Description

• Migrated shielding effectiveness extension to new standard
• Added tests
• Small UI improvement adding a selector

Issue linked

#6375

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 87.82051% with 19 lines in your changes missing coverage. Please review.

Project coverage is 83.03%. Comparing base (710ce3a) to head (21dd567).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6379      +/-   ##
==========================================
- Coverage   85.36%   83.03%   -2.33%     
==========================================
  Files         175      175              
  Lines       65989    66266     +277     
==========================================
- Hits        56333    55027    -1306     
- Misses       9656    11239    +1583     

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