Several BBC viewers were left baffled, irked and fearing the worst for the rest of the show following the opening moments of the Eurovision Song Contest finale on Saturday night. The competition itself has already been marred in chaos, from the Dutch entrant Joost Klein being disqualified to the protests against Israel’s participation in the finale. But despite the turmoil, the finale kicked off on time at 8pm on Saturday night. Coverage of the contest began on BBC One, opening with a welcome message from Swedish royalty, HRH Crown Princess Victoria of Sweden. As the opening sequence began and…