list: Fixed _elm_list_item_content_focus_set in case the first content is focused.
list: Fixed _elm_list_item_content_focus_set in case the first content
is focused.

The function should return true when the first content of an item is
focused.

@fix

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