Six months after a jury unanimously sided with Cardi B and rejected a security guard’s assault claim , a judge ruled Thursday that the rapper can recover nearly $20,000 in trial costs. The security guard, Emani Ellis, tried to get the legal tab tossed out, claiming the Grammy-winning musician waited too long to seek reimbursement and that her submitted bill was “a sham.” But the judge who oversaw the trial wrote a tentative ruling ahead of a hearing Thursday morning, calling the costs not only