🧪 Add tests for Animation Controller

[johnstrand]

🎯 What: Added unit tests for GameUtils.Animation.Controller class.\n\n📊 Coverage: Tested initialization, play, pause, stop, framerate calculation, frame progression and wrap-around looping mechanics.\n\n✨ Result: Enhanced code coverage and regression prevention for the animation controller.

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PR created automatically by Jules for task 4594414856394699850 started by @johnstrand

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