Walt Nauta, Donald Trump’s valet and co-defendant in the classified documents criminal case in Florida, told a grand jury that his boss would throw papers “on the floor” when he “would leave for the evening,” according to a new filing in court. Nauta, who has so far stood by Trump’s side in the case being overseen by the Trump-appointed jurist Aileen Cannon, was apparently more candid in his grand jury testimony than some might expect. In a filing made public on Friday, citizens got their first look at certain grand jury testimony by Nauta himself, according to a reporter. ALSO READ: ‘Fraudule…