Please describe the problem:
When expanding a folder, while a file is selected, the file opens.

Steps to reproduce:
1. Put a folder in listview
2. Configure nautilus to use one-click to open files
3. Select a file in the list-view (e.g. Using ctrl+click)
4. Expand some folder (by clicking the small triangle on the left)


Actual results:
Besides the folder expanding, nautilus opens the file selected in step three.

Expected results:
Just as when expanding folders with no files selected

Does this happen every time?
Yes

Other information:
This was the same way in gnome 2.16