List the dishes included on page number 30 with the least in full height.
least in full height refers to MIN(full_height);
SELECT T3.name FROM MenuPage AS T1 INNER JOIN MenuItem AS T2 ON T1.id = T2.menu_page_id INNER JOIN Dish AS T3 ON T2.dish_id = T3.id WHERE T1.page_number = 30 ORDER BY T1.full_height DESC, T1.full_height ASC LIMIT 1