Thirty years after “Farewell My Concubine’s” triumphant showing at the Cannes Film Festival — where it took home the coveted Palme d’Or prize — a new, uncut 4K restoration is releasing in theaters. A vibrant whirlwind of crashing cymbals, costumed acrobats and heartbreaking melodrama, Chen Kaige’s beloved period drama is a defining entry in Sinophone...