NEW YORK — Hundreds of beds in the city’s shelter system sat vacant while a large group of migrants were sleeping on a Manhattan sidewalk for several nights in a row earlier this summer, according to data obtained by the Daily News. The data undercuts Mayor Eric Adams’ repeated claim that his administration could not find any shelter beds for the roughly 200 mostly male migrants, who as a result resorted to sleeping on the street outside Midtown’s Roosevelt Hotel, which is being used by the city as an intake center for asylum seekers. The dire scene in front of the Roosevelt played out between...