Wednesday was certainly a night to forget for Dundee at Celtic Park. From broken-down buses to a first-half humiliation and eventual 7-1 defeat, the trip to Glasgow couldn’t have gone much worse. For Celtic and Celtic supporters it was a much-needed and cathartic 90 minutes. After plenty of toils and troubles this term, it was fantastic to see the team galvanised and showing a ruthless edge in pursuit of goals. Adam Idah is making a big impact, Cameron Carter-Vickers has returned from injury and, suddenly, this group of players look very ready to compete in the Scottish Premiership title run-i…