NOVAK DJOKOVIC’s wife, Jelena, has waded into the Naomi Osaka controversy at the Australian Open. Osaka, 28, beat opponent Sorana Cirstea, 35, 6-3, 4-6, 6-2 in the second round of the year’s first Grand Slam on Wednesday. But the pair were involved in a dramatic confrontation at the end after a frosty handshake. Jelena is…