Checking that TDriveTreeNode.Assign is never called

Source commit: 3cb43dd8ee2d8e8a71c65c9863de5369ace96d5f

source/packages/filemng/DriveView.pas

@@ -802,6 +802,7 @@ var
   SourceData: TNodeData;
   NewData: TNodeData;
 begin
+  Assert(False);
   inherited Assign(Source);
 
   if not Deleting and (Source is TTreeNode) then