[Windows] Fix for TimePicker rendering a default time when its value is null #90598
  
    
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  | name: Backport PR to branch | |
| on: | |
| issue_comment: | |
| types: [created] | |
| schedule: | |
| # once a day at 13:00 UTC to cleanup old runs | |
| - cron: '0 13 * * *' | |
| permissions: | |
| contents: write | |
| issues: write | |
| pull-requests: write | |
| actions: write | |
| jobs: | |
| backport: | |
| uses: dotnet/arcade/.github/workflows/backport-base.yml@main |