Based on the votes on aid for Israel, this does not appear to be the case. The “Progressives” (“WOKE”) wing is anti-Israel, and generally supports anti-Semitism, but it isn’t clear how strong they are, or perhaps, they are noisy but really not that strong. Biden is nervous about offending them, but that in itself doesn’t mean they are a majority of the Democrats.
While the Republicans have in the recent past been pro-Israel, the “America First” faction seems to be in control of Republican party, and their platform of non-involvement in foreign wars precludes the United States giving anything more than “moral” support to Israel.
While the Progressive (WOKE) Democrats and the American First (MAGA) Republicans make a lot of noise, polls suggest that most supporters of both parties still support the “globalist” foreign policy that has dominated the United States since 1945. We’ll see better after the conventions this summer.