Fix Navigation Buttons

Author: lukeblevins

Files/Filesystem/ItemViewModel.cs

@@ -578,6 +578,10 @@ public async void RapidAddItemsToCollectionAsync(string path)
                     Universal.path = App.AppSettings.OneDrivePath;
                     break;
             }
+
+            App.CurrentInstance.CanGoBack = App.CurrentInstance.ContentFrame.CanGoBack;
+            App.CurrentInstance.CanGoForward = App.CurrentInstance.ContentFrame.CanGoForward;
+
             ObservableCollection<PartialStorageItem> partialFiles = null;
             ObservableCollection<PartialStorageItem> partialFolders = null;
             var fetchOperation = Task.Run(async () => 

Files/GenericFileBrowser.xaml

@@ -9,7 +9,7 @@
     xmlns:local="using:Files"
     xmlns:local2="using:Files.Filesystem"
     xmlns:muxc="using:Microsoft.UI.Xaml.Controls"
-    mc:Ignorable="d"  NavigationCacheMode="Required" PointerReleased="GenericItemView_PointerReleased" Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
+    mc:Ignorable="d" NavigationCacheMode="Required" PointerReleased="GenericItemView_PointerReleased" Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
     <local:BaseLayout.Resources>
         <MenuFlyout x:Key="BaseLayoutContextFlyout">
             <MenuFlyoutSubItem Text="Sort by" x:Name="SortByEmptySpace">

Files/ProHome.xaml

@@ -13,6 +13,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:muxc="using:Microsoft.UI.Xaml.Controls"
     x:Name="ProHomeInstance"
+    NavigationCacheMode="Disabled"
     Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
     Loaded="Page_Loaded"
     mc:Ignorable="d">

Files/ProHome.xaml.cs

@@ -132,6 +132,8 @@ public ProHome()
             }
 
             App.CurrentInstance = this as IShellPage;
+            App.CurrentInstance.CanGoBack = false;
+            App.CurrentInstance.CanGoForward = false;
         }
 
         private async void DisplayFilesystemConsentDialog()