Fix: Fixed issue where Details/Preview Pane didn't update when switching tabs (#12975)

Author: hishitetsu

src/Files.App/Views/LayoutModes/BaseLayout.cs

@@ -1377,6 +1377,11 @@ await DispatcherQueue.EnqueueOrInvokeAsync(() =>
 			}
 		}
 
+		public void ReloadPreviewPane()
+		{
+			UpdatePreviewPaneSelection(SelectedItems);
+		}
+
 		protected void UpdatePreviewPaneSelection(List<ListedItem>? value)
 		{
 			if (LockPreviewPaneContent)

src/Files.App/Views/LayoutModes/IBaseLayout.cs

@@ -36,5 +36,7 @@ public interface IBaseLayout : IDisposable
 		CommandBarFlyout ItemContextMenuFlyout { get; set; }
 
 		CommandBarFlyout BaseContextMenuFlyout { get; set; }
+
+		void ReloadPreviewPane();
 	}
 }

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

@@ -163,6 +163,8 @@ public void MultitaskingControl_CurrentInstanceChanged(object? sender, CurrentIn
 
 			e.CurrentInstance.ContentChanged -= TabItemContent_ContentChanged;
 			e.CurrentInstance.ContentChanged += TabItemContent_ContentChanged;
+
+			SidebarAdaptiveViewModel.PaneHolder?.ActivePaneOrColumn.SlimContentPage?.ReloadPreviewPane();
 		}
 
 		private void PaneHolder_PropertyChanged(object? sender, PropertyChangedEventArgs e)