Renamed types to more descriptive name

src/App/UI/MainWindow/MainWindow.cs

@@ -26,7 +26,7 @@ public partial class MainWindow
         BindUIElements();
 
         // Initialize the observable collection with property binding  
-        shortcuts = new PasswordStoreShortcutCollection(shortcutsGroup, passwordStoreService);
+        shortcuts = new BookmarkCollection(shortcutsGroup, passwordStoreService);
         if (shortcuts.Count == 0)
         {
             LoadDefaultShortcuts();