box: use elm_box_recalculate() in smart recalc
box: use elm_box_recalculate() in smart recalc

ensures that the internal box will calculate and blocks further (recursive)
recalc calls

rvandegrift/elementary,tasn/elementary,tasn/elementary,rvandegrift/elementary,tasn/elementary,tasn/elementary,rvandegrift/elementary,tasn/elementary,rvandegrift/elementary