I've been away for a few days. When I got back I pulled some chicken out of the freezer and cooked it with some veg I'd picked up on the way home. I realised later this evening that the fridge door was slightly open. I haven't opened fridge today so it must have been left open while I was away. It's a combined fridge/freezer. Will a slightly open fridge raise freezer temp? Could I get food poisoning?