From 1946: Joan Crawford, who never gives big parties, really went the works on a welcome to Hollywood for Viveca Lindfors, the new Swedish importation. There was a dance floor, orchestra, bar and complete buffet service, all under a huge cellophane tent in Joan’s yard. Every guest showed up but Bette Davis and Clark Gable. Believe it or not, Bette got smacked in the head with a moving camera and went to Laguna Beach to recuperate. Clark didn’t get back in time from a fishing trip. Cutest couple present was Ann Blyth and John Compton, the “daughter” and “son-in-law” of “Mildred Pierce.” __ Anyone else not surprised Bette Davis didn’t…