By Olivia Wheeler EastEnders fans were left stunned on Thursday’s BBC iPlayer episode, which will air on Friday. Due to the FA Cup Football, the hit BBC One soap has undergone a major schedule shake-up this week, meaning EastEnders didn’t air Tuesday or Wednesday night. However, the episodes were available on BBC iPlayer and they will now air tonight (Thursday) and in a double bill on Friday. Warning – this article contains spoilers from the iPlayer episodes. This week has centred on Nish Panesar seeking revenge on the Slaters. Soap fans will recall that over the festive period, The Six – made…