tweek css for staff search results item type images

tweek css for staff search results item type images

This add a clear:left; to the #searchresults ul li selector.  Otherwise
it's possible an item type image will be offset by an image above it and
not float all the way to the left.  This makes sure the image is clear
of the above image.

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>