When Carla Wade Logan and John Logan decided to shutter their 19-year-old downtown Phoenix restaurant Carly’s Bistro, the couple knew they wanted the space to remain a neighborhood hangout. Once Carly’s Bistro serves its last dishes and drinks on May 3, the Logans will hand the keys of the Roosevelt Row staple to Mike Cheathem, an operating partner of Old Town Scottsdale spot Scapegoat Beer & Wine…