fix: 640 camera with distortion v2 to v4

[StefanThoene]

Description

fix issues with v2 and V4 distortion files

Issue linked

#640

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 assigned this PR to myself.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: add optical property)
• I have agreed with the Contributor License Agreement (CLA).

[codecov]

Codecov Report

Attention: Patch coverage is 90.90909% with 2 lines in your changes missing coverage. Please review.

Project coverage is 89.44%. Comparing base (ef8ff16) to head (7f87b91).

Files with missing lines	Patch %	Lines
src/ansys/speos/core/sensor.py	90.90%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #644   +/-   ##
=======================================
  Coverage   89.44%   89.44%           
=======================================
  Files          39       39           
  Lines        5522     5544   +22     
=======================================
+ Hits         4939     4959   +20     
- Misses        583      585    +2     

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