Mayor Zohran Mamdani and Manhattan DA Alvin Bragg were blasted Friday as the city’s “Axis of Anarchy” over their handling of the hooligans who winged icy snowballs at NYPD Finest. The lefty Hizzoner has refused to call the violent attack anything more than “kids” play and even joked that if anyone should be hit with a snowball, it was he — despite the fact that two cops were sent to the hospital with injuries from the melee. Bragg’s prosecutors then declined to level a police-assault charge