elm_file_bookmark: do not allow focus on the bookmark list
elm_file_bookmark: do not allow focus on the bookmark list

otherwise the focus will jump all the time to the bookmarks list when a
item gets selected, thx genlist!

marcelhollerbach/verne,marcelhollerbach/jesus,marcelhollerbach/jesus,marcelhollerbach/verne,marcelhollerbach/verne,marcelhollerbach/jesus