Mayor Zohran Mamdani acted like a bozo mobster from the “Godfather” by protesting outside billionaire Ken Griffin’s luxury Manhattan pad in a “dangerous’’ stunt, according to ex-Gov. David Paterson. “Mamdani had a press conference talking about how we’re taxing the rich. … [He] went to [Griffin’s] home, as they would say in ‘The Godfather’ which is a very dangerous thing to be doing right now with all of the attempts on peoples’ lives,” Paterson said in an interview that aired Sunday — pre-