userportal,webadmin: Disabled type suggest boxes are not fully filled

Changed the ListModelTypeAheadListBox.ui.xml in a way that the underlying
<input> takes the whole available space and added to it's styles the same style
what the GWT's ListBox is using.

Change-Id: Ic26a695aa127f36023b4e0de01919613280ae960
Bug-Url: https://bugzilla.redhat.com/1066443
Signed-off-by: Tomas Jelinek <tjelinek@redhat.com>