Feud Sunday, 10 p.m., FX Of all the monumental performances in FX’s new series “Feud: Bette and Joan,” none marries desperation with exasperation quite like Jackie Hoffman’s Mamacita, Joan Crawford’s (Jessica Lange) stoic Teutonic housekeeper and babysitter. Serving her mistress’ every whim with the occasional roll of the eyes and shrug of the shoulders, the...