A community meeting at the lefty Park Slope Food Coop over a proposed boycott of Israeli goods erupted into chaos on Tuesday night after a member declared, “Jewish supremacism is a problem in this country,” and compared Jews to Nazis, according to a recording obtained by The Post. The vile remarks, which were made over Zoom by a coop member with a screen name of Michael Huarachi, prompted applause from at least 50 people who were attending the meeting in person, according to multiple witnesses. It also sparked disgust from Jewish coop members. “It was shocking,” longtime coop member Ramon Maislen told The Post. “That’s not who we are.” The monthly meeting was being held to discuss whether the socialist-leaning grocery store should lower the current voting threshold required for a boycott from 75% to 51%, according to Maislen. This move would make it easier for members who support the anti-Israel BDS (boycott, divestment and sanctions) movement to push through a ban on Israeli products.…