Prime Video France is doubling down on homegrown originals across scripted, film and unscripted — and is pushing further into new event formats with “Mascarade,” a creator-led French format that builds on the streamer’s hit “LOL” franchise, as well as premium series such as “Animal Sauvage,” a six-part adaptation of Joël Dicker’s bestselling novel “Animal Sauvage.” The later starts shooting in a few says and is directed by Vincent Maël Cardona (“Magnetic Beats”) with a prestige cast led by