Fix: Fixed crash with moving into an empty folder in column layout (#…

…12725)

src/Files.App/Views/LayoutModes/ColumnViewBrowser.xaml.cs

@@ -326,7 +326,7 @@ public void MoveFocusToNextBlade(int currentBladeIndex)
 			if (activeBladeColumnViewBase is not null)
 			{
 				activeBladeColumnViewBase.FileList.SelectedIndex = 0;
-				var selectedItem = activeBladeColumnViewBase.FileList.Items.First() as ListedItem;
+				var selectedItem = activeBladeColumnViewBase.FileList.Items.FirstOrDefault() as ListedItem;
 				if (selectedItem is not null)
 					UpdatePreviewPaneSelection(new List<ListedItem>() { selectedItem });
 			}