Please describe the problem:
The icon selection filechooser is not working properly. Couldn't find anything on bugzilla, and it's hard to describe, so I will give you steps to reproduce this:

Steps to reproduce:

1. Right click on any launcher icon on the panel and click "Properties"
2. Click on an icon and icon selection dialog will appear.
3. Click on "Browse" and move the filechooser window to see the previous window.
4. Select any directory and click on "Open" - the icon selector will load the icons, but the filechooser is still present.
5. Click on "Open" once again to close the filechooser

Actual results:
Filechooser window remains open

Expected results:
Filechooser window should be closed.

Does this happen every time?
Yes.

Other information:
IMHO the icon selection dialog should be more user-friendly (maybe a nice GUI to select icons instead of browsing /usr/share/pixmaps and /usr/share/icons)?