Fixed crashes for shadow animations on unloaded items

[Sergio0694]

Fixes #4262

PR Type

What kind of change does this PR introduce?

• Bugfix

What is the current behavior?

Trying to animate shadows on unloaded events causes a crash.

What is the new behavior?

Animations on shadows that are no longer available are just skipped.

PR Checklist

Please check if your PR fulfills the following requirements:

• Tested code with current supported SDKs
• New component
  • Pull Request has been submitted to the documentation repository instructions. Link:
  • Added description of major feature to project description for NuGet package (4000 total character limit, so don't push entire description over that)
  • If control, added to Visual Studio Design project
• Sample in sample app has been added / updated (for bug fixes / features)
  • Icon has been created (if new sample) following the Thumbnail Style Guide and templates
• New major technical changes in the toolkit have or will be added to the Wiki e.g. build changes, source generators, testing infrastructure, sample creation changes, etc...
• Tests for the changes have been added (for bug fixes / features) (if applicable)
• Header has been added to all new source files (run build/UpdateHeaders.bat)
• Contains NO breaking changes

[ghost]

Thanks Sergio0694 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 🙌

[michael-hawker]

Cool, I thought I had tested this out the same as you had (when you sent screenshot over with you proposed fix), but your version definitely seems to resolve the issue.

Sorry for the trouble! Thanks for helping! 🦙❤

[Rosuavio]

Tested locally, works. Thanks @Sergio0694 !

[Sergio0694]

No problem, happy to help any time! 😄