Animation action changes

[LalithaNadimpalli]

StopAnimationActivity and StartAnimationAction dependency properties are incorrectly registered

Fixes #4695

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PR Checklist

Please check if your PR fulfills the following requirements:

• Created a feature/dev branch in your fork (vs. submitting directly from a commit on main)
• Based off latest main branch of toolkit
• Tested code with current supported SDKs
• New component
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  • If control, added to Visual Studio Design project
• Sample in sample app has been added / updated (for bug fixes / features)
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• Header has been added to all new source files (run build/UpdateHeaders.bat)
• Contains NO breaking changes

Other information

[ghost]

Thanks LalithaNadimpalli for opening a Pull Request! The reviewers will test the PR and highlight if there is any conflict or changes required. If the PR is approved we will proceed to merge the pull request 🙌