Allow position update from paused/stopped state (#1314)

Allow position from paused/stopped state

src/CommunityToolkit.Maui.MediaElement/Views/MediaManager.windows.cs

@@ -14,6 +14,14 @@ partial class MediaManager : IDisposable
 	// The requests to keep display active are cumulative, this bool makes sure it only gets requested once
 	bool displayActiveRequested;
 
+	// States that allow changing position
+	MediaElementState[] allowUpdatePositionStates = new[]
+	{
+		MediaElementState.Playing,
+		MediaElementState.Paused,
+		MediaElementState.Stopped,
+	};
+
 	/// <summary>
 	/// The <see cref="DisplayRequest"/> is used to enable the <see cref="MediaElement.ShouldKeepScreenOn"/> functionality.
 	/// </summary>
@@ -163,8 +171,9 @@ protected virtual partial void PlatformUpdateShouldShowPlaybackControls()
 
 	protected virtual partial void PlatformUpdatePosition()
 	{
-		if (MediaElement is not null && Player is not null
-			&& MediaElement.CurrentState == MediaElementState.Playing)
+		if (MediaElement is not null 
+		    && Player is not null
+			&& allowUpdatePositionStates.Contains(MediaElement.CurrentState))
 		{
 			MediaElement.Position = Player.MediaPlayer.Position;
 		}
@@ -198,8 +207,9 @@ protected virtual partial void PlatformUpdateShouldKeepScreenOn()
 
 		if (MediaElement.ShouldKeepScreenOn)
 		{
-			if (MediaElement?.CurrentState == MediaElementState.Playing
-				&& !displayActiveRequested)
+			if (MediaElement != null
+			    && allowUpdatePositionStates.Contains(MediaElement.CurrentState)
+			    && !displayActiveRequested)
 			{
 				DisplayRequest.RequestActive();
 				displayActiveRequested = true;