Photo-Illustration: Intelligencer; Photos: Alamy, Getty Staffers of The New Yorker who go into the office, as Condé Nast now requires them to do, have noticed something different in recent months: A documentary film crew has been showing up at the magazine with some regularity since September, sitting in on editorial meetings and interviewing people. Writers have been popping in for cameos, gamely acting out journalistic duties — taking phone calls, striding down the halls — that, to the