A group of Columbia University students have filed a class-action lawsuit against three members of the congressional “Squad” for their roles in the school’s pro-Palestine protests this spring.The students, who filed the suit anonymously, accused Reps. Alexandria Ocasio-Cortez, D-N.Y., Ilhan Omar, D-Minn., and Jamaal Bowman, D-N.Y., of helping create an unsafe environment on campus.Rep. Omar…