NEW YORK — A Manhattan judge said Thursday he will appoint an independent monitor for former President Donald Trump’s real estate empire, restricting his company’s ability to freely make deals, sell assets and change its corporate structure.Judge Arthur Engoron ordered the outside watchdog for the Trump Organization as he presides over a lawsuit in which New York Attorney General Letitia James alleges Trump and the company routinely misled banks and others about the value of prized assets, including golf …