Heiress kin: We got $murfed!

Call it Operation Smurf. Beth Israel Medical Center honchos plotted to ply heiress Huguette Clark with Smurfs in order to get cash from their wealthiest patient, according to a new court filing obtained by The Post. One hospital official suggested sending the childlike, then-86-year-old recluse a birthday gift of Smurf…