Fix itemPropertiesInitialized visibility

Author: hez2010

Files/Filesystem/ListedItem.cs

@@ -13,6 +13,7 @@
 using System.Collections.ObjectModel;
 using System.IO;
 using System.Linq;
+using System.Threading;
 using Windows.Storage;
 using Windows.UI.Xaml.Media.Imaging;
 
@@ -22,7 +23,16 @@ public class ListedItem : ObservableObject, IGroupableItem
     {
         public bool IsHiddenItem { get; set; } = false;
         public StorageItemTypes PrimaryItemAttribute { get; set; }
-        public bool ItemPropertiesInitialized { get; set; } = false;
+
+        private volatile int itemPropertiesInitialized = 0;
+        public bool ItemPropertiesInitialized
+        {
+            get => itemPropertiesInitialized == 1;
+            set
+            {
+                Interlocked.Exchange(ref itemPropertiesInitialized, value ? 1 : 0);
+            }
+        }
 
         public string ItemTooltipText
         {

Files/ViewModels/ItemViewModel.cs

@@ -915,13 +915,13 @@ public async Task LoadExtendedItemProperties(ListedItem item, uint thumbnailSize
                 await Task.Run(async () =>
                 {
                     await itemLoadEvent.WaitAsync(cts.Token);
-                    item.ItemPropertiesInitialized = true;
 
                     if (itemLoadQueue.TryGetValue(item.ItemPath, out var canceled) && canceled)
                     {
                         return;
                     }
 
+                    item.ItemPropertiesInitialized = true;
                     var wasSyncStatusLoaded = false;
                     ImageSource groupImage = null;
                     bool loadGroupHeaderInfo = false;