Make drag-and-drop follow Windows Explorer and refresh the tree after folder operations.

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

src/Explorer.Domain/Entities.cs

@@ -131,6 +131,9 @@ public sealed class FileSystemItem
     public int ReparseTag { get; init; }
     public long? AllocatedSizeBytes { get; init; }
     public CloudPresence? Cloud { get; init; }
+    public LocationInfo Location { get; init; } = LocationInfo.None;
+    public SizeKnowledge SizeKnowledge { get; init; } = SizeKnowledge.Calculated;
+    public string? DisplayName { get; init; }
     public bool IsReparsePoint => (Attributes & AttributeFlags.ReparsePoint) != 0;
 }