Adrian Heath is only 5-foot-6, but the English manager known as “Inchy” stood prominently on Minnesota United’s sideline for seven seasons as the club went from a fledgling expansion franchise and tenant in the Gophers’ football stadium to a perennial MLS Cup Playoff team in tailored digs at Allianz Field. Then with two games left in the 2023 season, club owner Bill McGuire fired Heath as Loons manager, and Heath didn’t make another trip to the …