fix!: SimpleOrientationSensor should not schedule on Dispatcher (#…

…12203)

BREAKING CHANGE: `SimpleOrientationSensor` should not schedule on
`Dispatcher`

GitHub Issue (If applicable): closes #10905, Part of #8339

<!-- Link to relevant GitHub issue if applicable. All PRs should be
associated with an issue (GitHub issue or internal), unless the change
is documentation related. -->

## PR Type

What kind of change does this PR introduce?
<!-- Please uncomment one or more that apply to this PR

- Bugfix
- Feature
- Code style update (formatting)
- Refactoring (no functional changes, no api changes)
- Build or CI related changes
- Documentation content changes
- Project automation
- Other... Please describe:

-->

## What is the current behavior?

<!-- Please describe the current behavior that you are modifying, or
link to a relevant issue. -->


## What is the new behavior?

<!-- Please describe the new behavior after your modifications. -->


## PR Checklist

Please check if your PR fulfills the following requirements:

- [ ] Docs have been added/updated which fit [documentation
template](https://github.com/unoplatform/uno/blob/master/doc/.feature-template.md)
(for bug fixes / features)
- [ ] [Unit Tests and/or UI
Tests](https://github.com/unoplatform/uno/blob/master/doc/articles/uno-development/working-with-the-samples-apps.md)
for the changes have been added (for bug fixes / features) (if
applicable)
- [ ] Validated PR `Screenshots Compare Test Run` results.
- [ ] Contains **NO** breaking changes
- [ ] Associated with an issue (GitHub or internal) and uses the
[automatic close
keywords](https://help.github.com/en/github/managing-your-work-on-github/linking-a-pull-request-to-an-issue).
- [ ] Commits must be following the [Conventional
Commits](https://www.conventionalcommits.org/en/v1.0.0/#summary)
specification.

<!-- If this PR contains a breaking change, please describe the impact
and migration path for existing applications below.
     Please note that breaking changes are likely to be rejected -->

## Other information

<!-- Please provide any additional information if necessary -->

Internal Issue (If applicable):
<!-- Link to relevant internal issue if applicable. All PRs should be
associated with an issue (GitHub issue or internal) -->

src/Uno.UI/UI/Xaml/ApplicationActivity.Android.cs

@@ -18,6 +18,7 @@
 using Windows.Security.Authentication.Web;
 using Windows.Storage.Pickers;
 using Windows.System;
+using Windows.UI.Core;
 using Windows.UI.ViewManagement;
 using Windows.UI.Xaml.Media;
 using WinUICoreServices = Uno.UI.Xaml.Core.CoreServices;
@@ -73,7 +74,7 @@ public override void OnAttachedToWindow()
 
 		private void OnSensorOrientationChanged(SimpleOrientationSensor sender, SimpleOrientationSensorOrientationChangedEventArgs args)
 		{
-			RaiseConfigurationChanges();
+			_ = Dispatcher.RunAsync(CoreDispatcherPriority.Normal, RaiseConfigurationChanges);
 		}
 
 		private void OnInputPaneVisibilityChanged(InputPane sender, InputPaneVisibilityEventArgs args)

src/Uno.UWP/Devices/Sensors/SimpleOrientationSensor.cs

@@ -65,21 +65,6 @@ private SimpleOrientationSensor()
 
 #if __ANDROID__ || __IOS__
 		private void SetCurrentOrientation(SimpleOrientation orientation)
-		{
-			if (CoreDispatcher.Main.HasThreadAccess)
-			{
-				CalculateCurrentOrientation(orientation);
-			}
-			else
-			{
-				_ = CoreDispatcher.Main.RunAsync(CoreDispatcherPriority.Normal, () =>
-				{
-					CalculateCurrentOrientation(orientation);
-				});
-			}
-		}
-
-		private void CalculateCurrentOrientation(SimpleOrientation orientation)
 		{
 			if (_currentOrientation != orientation)
 			{