Saul Zabar, who ruled the iconic Upper West Side grocery store bearing his name for more than seven decades, died Tuesday. He was 97. The so-called lox-smith had been hospitalized with a brain bleed at the time of his death, The Post confirmed. “A true New York legend. He gave the city lox, love, and a place to argue over babka. Zabar’s isn’t just a store, it’s a slice of NYC soul. May his memory be a blessing,” Mayor Eric Adams posted on X. The Manhattanite ran his family’s namesake Broadway