elm genlist.edc: Enable tree expand with decorate all mode.
elm genlist.edc: Enable tree expand with decorate all mode.

SVN revision: 72569

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