We get evocative shadow screens, puppetry and a silent-film fantasia. Heartbeat Opera's two-hour whirlwind adaptation has everything"except an intermission. True to the company's bold, iconoclastic style, this fiercely distilled staging trades grand opera's lush orchestra for a lean, expressive band led by artistic director and violinist Ashworth. Brass and reeds give the score grit and immediacy, while the unexpecte…