Manchester United have done the unthinkable by beating Manchester City to win the FA Cup at Wembley on Saturday. And it’s now time for INEOS to clarify the speculation that currently surrounds Erik ten Hag and his job at Old Trafford. United, before they’d even kicked a ball, were being written off. After a chastening campaign that saw them finish eighth in the Premier League table, that’s no surprise. But the Red Devils produced one of their best performances of the past 12 months to beat City and win the FA Cup for the first time since 2016. That year, Louis van Gaal guided the fallen giants…