OS: Windows
In Copy to/Move to dialogs a double-click in the folder tree triggers the copy/move action.
Effect: Unexpected copying/moving of files
To reproduce:
1. Start XnView
2. In XnView browser select some files
3. Select Edit » Copy to...
4. In "Copy to" dialog, double-click on an item


Expected behaviour: Double-clicking on a folder in the folder tree should open the appropriate folder. In no case the copy/move action must be triggered.