REFACTOR: General improvements

[SMoraisAnsys]

Description

General improvements which include:

• removal of useless try: ... except: ...
• removal of assert in non test code and raise of AEDTRuntimeError instead
• refactor some part of the code to make it more readable (might be subjective :D)

Issue linked

Associated to #5504

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).

[ansys-reviewer-bot]

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[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 6 lines in your changes missing coverage. Please review.

Project coverage is 85.24%. Comparing base (de0df32) to head (58372ae).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5674   +/-   ##
=======================================
  Coverage   85.23%   85.24%           
=======================================
  Files         154      154           
  Lines       60764    60767    +3     
=======================================
+ Hits        51792    51800    +8     
+ Misses       8972     8967    -5     

[Samuelopez-ansys]

LGTM