The plan by Jared Kushner and his business partners to redevelop a prized location in Serbia’s capital, Belgrade, echoes interest from Donald J. Trump a decade ago in pursuing a deal for the site and a similar proposal pushed during his White House term by a top aide now working with Mr. Kushner, a review of the project shows.The tentative agreement between the Kushner team and the Serbian government would grant Mr. Kushner’s investment firm a 99-year lease, at no charge, and the right to build a luxury hotel and apartment complex and a museum on the site of the former headquarters of…