Enable shared connection for layout prefs DB (#9550)

Author: gave92

src/Files.Uwp/ViewModels/FolderSettingsViewModel.cs

@@ -20,7 +20,7 @@ public class FolderSettingsViewModel : ObservableObject
     {
         public static string LayoutSettingsDbPath => IO.Path.Combine(ApplicationData.Current.LocalFolder.Path, "user_settings.db");
 
-        private static readonly Lazy<LayoutPrefsDb> dbInstance = new(() => new LayoutPrefsDb(LayoutSettingsDbPath));
+        private static readonly Lazy<LayoutPrefsDb> dbInstance = new(() => new LayoutPrefsDb(LayoutSettingsDbPath, true));
         public static LayoutPrefsDb DbInstance => dbInstance.Value;
 
         public event EventHandler<LayoutPreferenceEventArgs> LayoutPreferencesUpdateRequired;