Watching his new employers from the Wembley stands for the very first time during Sunday’s remarkable FA Cup semi-final with Coventry City, Manchester United’s new technical director Jason Wilcox was given a 120-minute introduction into the various defects he, Sir Jim Ratcliffe, Omar Berrada and co will be under pressure to fix. Almost every bad habit embodied by this Manchester United team was clear to see, exposed by a team sitting eighth in the Championship. A staggering inability to close a game out; United throwing away countless two-goal leads throughout the campaign and somehow managing…