LOS ANGELES — Sony’s decision to cancel “The Interview” in the face of terrorist threats is already affecting the way Hollywood does business. It has outraged artists, killing their faith in studios to release edgy content. But it’s also inspired a rare hush across a usually chatty industry as everyone from moguls to makeup artists takes stock of the scandal and how it could affect their jobs. Actors, filmmakers, politicians and pundits roundly denounced Sony’s decision Wednesday …