Mayor Zohran Mamdani and first lady Rama Duwaji have been invited to the Met Gala — but won’t be attending, sources tell Page Six. New York City’s mayor is traditionally invited by the Metropolitan Museum of Art to the lavish event every year, but we’re told that Mamdani, 34, won’t be joining Condé Nast’s Anna Wintour and her coterie of celeb guests on Monday, May 4. “He’s not coming,” said a source. “And it would be foolish if he did … can you imagine? It goes against everything he believes in.” Indeed, the event is being financially subsidized by Amazon...