Fix: Fixed an issue where the items count was sometimes incorrect in the Details Pane (#18171)

Author: yair100

src/Files.App/ViewModels/UserControls/InfoPaneViewModel.cs

@@ -101,6 +101,13 @@ public PreviewPaneStates PreviewPaneState
 			}
 		}
 
+		private string? _DirectoryItemCount;
+		public string? DirectoryItemCount
+		{
+			get => _DirectoryItemCount;
+			set => SetProperty(ref _DirectoryItemCount, value);
+		}
+
 		/// <summary>
 		/// Value indicating if the download cloud files option should be displayed
 		/// </summary>

src/Files.App/ViewModels/UserControls/Previews/FolderPreviewViewModel.cs

@@ -9,6 +9,7 @@ namespace Files.App.ViewModels.Previews
 {
 	public sealed class FolderPreviewViewModel
 	{
+		private readonly InfoPaneViewModel infoPaneViewModel = Ioc.Default.GetRequiredService<InfoPaneViewModel>();
 		public ListedItem Item { get; }
 
 		public BitmapImage Thumbnail { get; set; } = new();
@@ -46,7 +47,7 @@ private async Task LoadPreviewAndDetailsAsync()
 
 			Item.FileDetails =
 			[
-				GetFileProperty("PropertyItemCount", items.Count),
+				GetFileProperty("PropertyItemCount", infoPaneViewModel?.DirectoryItemCount),
 				GetFileProperty("PropertyDateModified", info.DateModified),
 				GetFileProperty("PropertyDateCreated", info.DateCreated),
 				GetFileProperty("PropertyParsingPath", Folder.Path),

src/Files.App/Views/Shells/BaseShellPage.cs

@@ -266,6 +266,7 @@ protected async void FilesystemViewModel_DirectoryInfoUpdated(object sender, Eve
 			}
 
 			contentPage.StatusBarViewModel.DirectoryItemCount = $"{ShellViewModel.FilesAndFolders.Count} {directoryItemCountLocalization}";
+			contentPage.InfoPaneViewModel.DirectoryItemCount = $"{ShellViewModel.FilesAndFolders.Count} {directoryItemCountLocalization}";
 			contentPage.UpdateSelectionSize();
 		}