Matthew McDermott for NY Post ROW NYC, the once-infamous Manhattan migrant hotel that was a shelter site for nearly three years, quietly reopened to tourists last week. Fresh flowers beautified the front and wheelie suitcases crowded the lobby on Friday as the 1,300-room Midtown property was back offering “modern” rooms and “inviting” stays for a few hundred bucks a night. “When they said that they reopened today I was wondering what are the things they did to fix it because it looks good,” said guest Efrain Santiago, 50. The 1,300‑room property on Eighth Avenue between West 44th and 45th streets is back to selling “modern” rooms for a few hundred dollars a night and billing itself as an “inviting” Times Square base. Matthew McDermott for NY Post “The room is really clean and neat. I’m on the 24th floor with a great view. The employees and manager have been great to us,” added Santiago, who is visiting from Puerto Rico.…