also fix selected item scrolling when item prepended to the genlist is offscreen
also fix selected item scrolling when item prepended to the genlist is offscreen

SVN revision: 71554

rvandegrift/elementary,tasn/elementary,tasn/elementary,rvandegrift/elementary,tasn/elementary,rvandegrift/elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,rvandegrift/elementary,FlorentRevest/Elementary,tasn/elementary,tasn/elementary