It’s a bit like going back in time. In the US, restaurants that found themselves having to shutter operations because their concept made it hard for customers to practice social distancing and other hygiene measures are back with a vengeance. Dinner theater, restaurants with food distributed by conveyor belt and buffets are once again options for outings. Dishes distributed in self-service fashion. A conveyor belt that goes past the eyes (and breath) of numerous diners. Sharing plates. In the early days of the pandemic, many restaurants found that their concept was not compatible with the hyg…