Originally Posted by
ISTFlyer
I have flown DXB-DOH in Y and my boarding pass has the sign "You are eligible to use the Ahlan Lounge" and I was let in without issues.
As a datapoint, the contract lounge for First is different than Ahlan at Dubai for Qatar Airways.
Fair enough, hopefully that's the case for OP.. but as they have no status and I am assuming you did, it might be worth them trying to get a voucher from check-in to be on the safe side. Based on my flight last year from DXB they handed out those silver coloured lounge invites.