A lawyer who worked with former President Donald Trump suggested he should use his jury deliberation free time in his criminal hush money trial to challenge Judge Juan Merchan’s gag order — but that would get immediately smacked down, retired federal Judge John E. Jones III told CNN’s Boris Sanchez on Thursday. The gag order in the case, where Trump is charged with falsification of business records, prohibits him from disparaging witnesses, court officers, and their families — and he has already been fined for contempt of court and threatened with jail after being found to violate it. “So mome…