Update ShellSectionRenderer.cs

Update ShellSectionRenderer.cs

Author: kubaflo

src/Controls/src/Core/Compatibility/Handlers/Shell/iOS/ShellSectionRenderer.cs

@@ -70,6 +70,8 @@ void IAppearanceObserver.OnAppearanceChanged(ShellAppearance appearance)
 		ShellSection _shellSection;
 		bool _ignorePopCall;
 
+		bool _popRequested;
+
 		// When setting base.ViewControllers iOS doesn't modify the property right away. 
 		// if you set base.ViewControllers to a new array and then retrieve base.ViewControllers
 		// iOS will return the previous array until the new array has been processed
@@ -107,7 +109,7 @@ public bool ShouldPopItem(UINavigationBar _, UINavigationItem __)
 		[Export("navigationBar:didPopItem:")]
 		[Internals.Preserve(Conditional = true)]
 		bool DidPopItem(UINavigationBar _, UINavigationItem __)
-			=> true;
+			=> _popRequested || SendPop();
 
 		internal bool SendPop()
 		{
@@ -392,6 +394,7 @@ protected virtual void OnNavigationRequested(object sender, NavigationRequestedE
 
 		protected virtual async void OnPopRequested(NavigationRequestedEventArgs e)
 		{
+			_popRequested = true;
 			var page = e.Page;
 			var animated = e.Animated;
 
@@ -432,6 +435,7 @@ async void ProcessPopToRoot()
 
 		protected virtual async void OnPopToRootRequested(NavigationRequestedEventArgs e)
 		{
+			_popRequested = true;
 			var animated = e.Animated;
 			var task = new TaskCompletionSource<bool>();
 			var pages = _shellSection.Stack.ToList();
@@ -593,6 +597,7 @@ public override UIViewController[] PopToViewController(UIViewController viewCont
 		public override void PushViewController(UIViewController viewController, bool animated)
 		{
 			_pendingViewControllers = null;
+			_popRequested = false;
 			base.PushViewController(viewController, animated);
 		}