ORLANDO, Fla. — If Sunday’s 18-point win over the Heat was a defensive masterclass put on by the Magic, then Monday’s 27-point loss to the Cavaliers was the complete opposite. After limiting Miami to 87 points total the night prior at Kia Center, Orlando gave up 72 points in the first half before Cleveland rolled to a 126-99 road victory. Playing on the second night of back-to-back, the Magic were missing point guard Markelle Fultz (left knee) and Jonathan Isaac (right hamstring) because of injury maintenance and were without Gary Harris (right calf strain) for a ninth straight. But the Cavali…