Fixed switching layouts not showing empty folder text. (#7909)

Author: puppetsw

src/Files/BaseLayout.cs

@@ -391,6 +391,7 @@ protected virtual void BaseFolderSettings_LayoutModeChangeRequested(object sende
                     // Remove old layout from back stack
                     ParentShellPageInstance.RemoveLastPageFromBackStack();
                 }
+                ParentShellPageInstance.FilesystemViewModel.UpdateEmptyTextType();
             }
         }
 

src/Files/ViewModels/ItemViewModel.cs

@@ -510,7 +510,7 @@ await CoreApplication.MainView.DispatcherQueue.EnqueueAsync(() =>
 
         private bool IsSearchResults { get; set; }
 
-        private void UpdateEmptyTextType()
+        public void UpdateEmptyTextType()
         {
             EmptyTextType = FilesAndFolders.Count == 0 ? (IsSearchResults ? EmptyTextType.NoSearchResultsFound : EmptyTextType.FolderEmpty) : EmptyTextType.None;
         }