The clock is ticking on the transfer window and, more than a week after bringing Paulo Bernardo back to the club, Celtic have yet to make fresh outfield additions to the squad. The closest sniff of a deal at this stage involves Adam Idah – another player who doesn’t improve on the options Brendan Rodgers had available to him at the end of last season. Indeed, it looks more likely at this stage we see Matt O’Riley leave the club before any new faces arrive in Glasgow. Celtic continue to struggle to get the needed business done. And that’s despite manager Brendan Rodgers consistently making clea…