Donald Trump on Saturday was apparently on the receiving end of some “boos” from a crowd in Pennsylvania, and it set social media on fire. The former president was attempting to promote his new gold sneakers, which some onlookers have likened to a quick cash grab as he faces an order to pay hundreds of millions of dollars for fraud in N.Y., when the crowd seemed to turn on him. “A lot of emotion. There’s a lot of emotion in this room. Thank you,” he says over the loud boos heard in one viral video. “The nice thing is… we have lines… I want to thank Chase and I want to thank Allen. But we h…