feat: use service colors in plotter (upon request)

[RobPasMue]

Description

Enabling the usage of service colors upon request. Including a new library global variable called ansys.geometry.core.USE_SERVICE_COLORS. If set to True the plotter will make use of the service-defined colors. This can make large components to be plotted very slowly since it will require interaction with the service. By default, SC green will be used, just like until now.

We are also exposing these capabilities now via the plot(...) methods. Users won't have to specifically set the global variable if they just want to check it once.

Documentation and testing has been added.

Issue linked

Closes #433

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 unit tests.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have added the minimum version decorator to any new backend method implemented.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.89%. Comparing base (8af9de9) to head (c55ca71).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1376      +/-   ##
==========================================
+ Coverage   91.87%   91.89%   +0.02%     
==========================================
  Files          86       86              
  Lines        6790     6810      +20     
==========================================
+ Hits         6238     6258      +20     
  Misses        552      552              

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[RobPasMue]

Hi @PipKat - would you be able to review at least the mystnb file that contains the example I've worked on? Much appreciated!!

[RobPasMue]

This PR is expected to fail certain tests (at least until the new server version is available with the "null" return for colors whenever it is not assigned.