Melania and Donald Trump’s marriage has evolved into a business arrangement, according to an insider. So much so, the former first lady, 53, was ready to leave her hubby, but he somehow had her stay put — for now, at least. “She practically had her bags packed last year, but Donald made concessions and renegotiated their prenup for at least a third time to convince her to stay through the campaign,” an insider dished. To make matters worse, Melania has been staying under the radar, especially after her mother, Amalija Knavs, died on January 9 at 78 years old. “Melania has been dealing with her…
