NEW YORK — Two top City Council leaders called on Mayor Eric Adams’ administration Friday to open up more migrant “reticketing centers” amid concern over newly arrived asylum seekers sleeping outside the city’s only such current site due to overcrowding. Adult migrants who still need shelter after being told to leave due to the mayor’s 30-day restriction are directed to reapply for a bed at the existing reticketing center, which operates out of the old St. Brigid School in Manhattan’s East Village. But due to a large demand for beds, some migrants have ended up sleeping outside the center whil…