Improve file operations, layout memory, and drive status.

Add a sequential file-operations queue with pause, reorder, and optional auto-clear; persist window size and tree width; show free space; and clear leftover indexing status.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/Explorer.App/AppServices.cs

@@ -40,6 +40,8 @@ public static class AppServices
         services.AddSingleton<IStorageProvider, NextcloudStorageProvider>();
         services.AddSingleton<StorageProviderRegistry>();
         services.AddSingleton<IHydrationGuard, HydrationGuard>();
+        services.AddSingleton<IElevatedScanService, WindowsElevatedScanService>();
+        services.AddSingleton<IRecycleBinCatalog, RecycleBinCatalog>();
         services.AddSingleton<SourceManager>();
         services.AddSingleton<PathHistoryStore>();
         services.AddSingleton<CloudPlaceStore>();