fix: Graphs not showing with Ansys visualizer

[AlejandroFernandezLuces]

Description

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Issue linked

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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.
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• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: add optical property)
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[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 86.87%. Comparing base (e60cdd0) to head (73979ec).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/ansys/speos/core/project.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #537      +/-   ##
==========================================
+ Coverage   86.81%   86.87%   +0.05%     
==========================================
  Files          35       35              
  Lines        3846     3840       -6     
==========================================
- Hits         3339     3336       -3     
+ Misses        507      504       -3     

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