🧪 test: Add unit tests for CatmullRomPath SetLooping

[johnstrand]

🎯 What: Added tests for CatmullRomPath.SetLooping to verify looping path evaluation and endpoint alignment, and corrected localT evaluation for non-looping path bounds.
📊 Coverage: Covered looping CatmullRomPath position and tangent alignment at t=0 and t=1, as well as toggling looping state on and off.
✨ Result: Improved test coverage and reliability for CatmullRom spline path looping.

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PR created automatically by Jules for task 1877112133111033682 started by @johnstrand

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