FIX: Allow Optimetrics multi goals

[Samuelopez-ansys]

Description

Optimetrics module was not allowing multiple goal definition.
Optimetrics objects was not consistent when new setup created by pyaedt and existing one.

Issue linked

#5564

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 86.25000% with 11 lines in your changes missing coverage. Please review.

Project coverage is 85.29%. Comparing base (a68479b) to head (487b616).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5583      +/-   ##
==========================================
- Coverage   85.30%   85.29%   -0.01%     
==========================================
  Files         152      152              
  Lines       60868    60906      +38     
==========================================
+ Hits        51923    51950      +27     
- Misses       8945     8956      +11     

[maxcapodi78]

LGTM