Former Playboy Playmate Karen McDougal on Saturday issued an eyebrow-raising reference to Donald Trump, with whom she has claimed to have had an affair, as the former president’s criminal hush money cover-up case heats up. McDougal, who has had her story discussed at length in Trump’s criminal trial to give prosecutors context for charging document fraud in connection with a similar scheme involving adult film star Stormy Daniels, is not directly related to the charges. Yet she referenced them in a social media post over the weekend. ALSO READ: Trump’s Manhattan trial could determine whether r…