MINNEAPOLIS — Three days off during a playoff series is a conveniently long time to recover from physical ailments. It’s also an unusually long time to dwell on the past. In the Nuggets’ case this week, “that was miserable,” Michael Porter Jr. said. During that painstaking wait for Game 3 after a 106-80 collapse Monday in Denver, Nuggets coach Michael Malone got radical in his search for motivation.