Hundreds rallied Thursday in support of a kosher bagel shop in Queens that was trashed by an antisemitic maniac in Muslim garb — with demonstrators declaring “enough is enough” and urging police to catch the culprit. Roughly 300 demonstrators flocked to Bagels & Company, a popular Israeli-owned business in Jamaica Estates, where the vandal was caught on camera wildly smashing potted plants and tossing chairs and tables Friday. “Enough is enough,” said Elan Kornblum, president of Great Kosher