If you have ever wanted to see how the sausage gets made and be in the room where it happens, now is your chance. Directed by Jon Halperin, Netflix is giving viewers a special peak behind the curtain to see how the creative team raced against the clock to open Stranger Things: The First Shadow on the West End back in 2023. I caught a screening of the film last night at the Paris Theater here in Midtown and it's an…