Fix: Fixed issue where changing layouts focused the right pane (#17419)

Author: yaira2

src/Files.App/Views/ShellPanesPage.xaml.cs

@@ -638,12 +638,20 @@ private void Pane_Loaded(object sender, RoutedEventArgs e)
 		{
 			if (sender is UIElement element)
 			{
+				element.GettingFocus += Pane_GettingFocus;
 				element.GotFocus += Pane_GotFocus;
 				element.RightTapped += Pane_RightTapped;
 				element.PointerPressed += Pane_PointerPressed;
 			}
 		}
 
+		private void Pane_GettingFocus(UIElement sender, GettingFocusEventArgs args)
+		{
+			// Workaround for https://github.com/files-community/Files/issues/15397
+			if (args?.NewFocusedElement is not null && args.NewFocusedElement is not (ListViewItem or GridViewItem or ListView or GridView or TextBox))
+				args.TryCancel();
+		}
+
 		private void Pane_ContentChanged(object? sender, TabBarItemParameter e)
 		{
 			TabBarItemParameter = new()
@@ -754,6 +762,7 @@ public void Dispose()
 			{
 				pane.Loaded -= Pane_Loaded;
 				pane.ContentChanged -= Pane_ContentChanged;
+				pane.GettingFocus -= Pane_GettingFocus;
 				pane.GotFocus -= Pane_GotFocus;
 				pane.RightTapped -= Pane_RightTapped;
 				pane.PointerPressed -= Pane_PointerPressed;