add controlsurface point function

[ole-alb]

Fixes #1425

This PR adds a new API function to get the point on the leading or trailing edge of a deflected control surface.

Description

How Has This Been Tested?

Screenshots, that help to understand the changes(if applicable):

Checklist for PR Author:

• Unit or integration test added (if applicable)
• Python interface updated (if applicable)
• Python test added (if Python interface updated)
• Doxygen docstrings added
• ChangeLog.md updated

[github-actions]

PR Reminders

This PR has changes in src/, and tests/unittests/ but not in TIGLCreator/, tests/integrationtests/, tests/python/, or bindings/python_internal/. ChangeLog.md has changes.

• 💡 Tip: Please check if new classes need to be added to the Python bindings

---

This is an automated reminder from CI

[codecov]

Codecov Report

❌ Patch coverage is 62.29508% with 23 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.26%. Comparing base (b2ff2b5) to head (9ebcf4f).

Files with missing lines	Patch %	Lines
src/api/tigl.cpp	66.66%	11 Missing ⚠️
src/control_devices/CCPACSLeadingEdgeDevice.cpp	0.00%	10 Missing ⚠️
src/control_devices/ControlSurfaceDeviceHelper.cpp	75.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1427      +/-   ##
==========================================
- Coverage   73.27%   73.26%   -0.01%     
==========================================
  Files         324      324              
  Lines       28642    28703      +61     
==========================================
+ Hits        20987    21030      +43     
- Misses       7655     7673      +18     

Flag	Coverage Δ
unittests	73.26% <62.29%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/control_devices/CCPACSTrailingEdgeDevice.cpp	84.53% <100.00%> (+1.77%)	⬆️
src/control_devices/ControlSurfaceDeviceHelper.cpp	85.24% <75.00%> (-1.55%)	⬇️
src/control_devices/CCPACSLeadingEdgeDevice.cpp	62.88% <0.00%> (-7.23%)	⬇️
src/api/tigl.cpp	55.64% <66.66%> (+0.08%)	⬆️

... and 1 file with indirect coverage changes

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