Ever since “Marie Antoinette” filmmaker Sofia Coppola has seemed to suffer from indolence, and that was the case again with “The Beguiled,” her new film debuting today in Cannes. I could not get into this movie in spite of its bravura visual palette, its many funny moments and primo cast composed of Colin Farrell, Kristen Dunst and Nicole Kidman. It’s three years into the civil war. Farrell plays Corporal McBirney