Used mapper instead of a control event

Author: kubaflo

src/Controls/src/Core/ContentPage/ContentPage.Mapper.cs

@@ -12,6 +12,14 @@ public partial class ContentPage
 		internal new static void RemapForControls()
 		{
 			PageHandler.Mapper.ReplaceMapping<ContentPage, IPageHandler>(nameof(ContentPage.HideSoftInputOnTapped), MapHideSoftInputOnTapped);
+#if IOS
+			PageHandler.Mapper.ReplaceMapping<ContentPage, IPageHandler>(PlatformConfiguration.iOSSpecific.Page.PrefersHomeIndicatorAutoHiddenProperty.PropertyName, MapPrefersHomeIndicatorAutoHidden);
+#endif
+		}
+
+		static void MapPrefersHomeIndicatorAutoHidden(IPageHandler handler, ContentPage page)
+		{
+			handler?.UpdateValue(nameof(IHomeIndicatorAutoHiddenView.IsHomeIndicatorAutoHidden));
 		}
 
 		static void MapHideSoftInputOnTapped(IPageHandler handler, ContentPage page)

src/Controls/src/Core/ContentPage/ContentPage.cs

@@ -38,15 +38,6 @@ public bool HideSoftInputOnTapped
 		public ContentPage()
 		{
 			this.NavigatedTo += (_, _) => UpdateHideSoftInputOnTapped();
-			this.PropertyChanged += ContentPage_PropertyChanged;
-		}
-
-		private void ContentPage_PropertyChanged(object sender, PropertyChangedEventArgs e)
-		{
-			if (e.PropertyName == PlatformConfiguration.iOSSpecific.Page.PrefersHomeIndicatorAutoHiddenProperty.PropertyName)
-			{
-				Handler?.UpdateValue(nameof(IHomeIndicatorAutoHiddenView.IsHomeIndicatorAutoHidden));
-			}
 		}
 
 		protected override void OnBindingContextChanged()