If only Trump could get a social media mulligan. Former Donald Trump communications director Alyssa Farah Griffin, appearing on CNN’s “Out Front,” waded in on the salty Truth Social smackdown he beamed out after his GOP rival, former UN Ambassador Nikki Haley, graciously bowed out of the presidential contest, leaving him to be the presumptive nominee. “Nikki Haley got TROUNCED last night, in record setting fashion, despite the fact that Democrats, for reasons unknown, are allowed to vote in Vermont, and various other Republican Primaries,” the 77-year-old pol posted on Truth Social just before…