Description of Change

Do setDecorFitsSystemWindows after restoration of system ui visibility flags instead of before.

Linked Issues

• Fixes [BUG] System bars cover the UI after exiting MediaElement fullscreen mode. #2644

PR Checklist

• Has a linked Issue, and the Issue has been approved(bug) or Championed (feature/proposal)
• Has tests (if omitted, state reason in description)
• Has samples (if omitted, state reason in description)
• Rebased on top of main at time of PR
• Changes adhere to coding standard
• Documentation created or updated: https://github.com/MicrosoftDocs/CommunityToolkit/pulls

Additional information

API	As-is	To-be
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29