Frances Price married well, if one’s notion of success in that department is defined more by financial comfort than by romance. Her marriage wasn’t so much loveless as moneyful, and that arguably works out better for the wealthy Manhattan wife Michelle Pfeiffer so memorably embodies in Azazel Jacobs’ “French Exit,” a sophisticated closing night choice for this year’s virtual-hybrid New York Film Festival, which “The Sisters Brothers” author Patrick deWitt adapted from his own novel.