list: fixed list to emit elm,state,list,single signal when there is only one item.
list: fixed list to emit elm,state,list,single signal when there is only
one item.

This is a fix of a commit 44495f6431cdc5dbe6e8cb257cf73a69563ec67c.

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