CHICAGO — Klay Thompson’s 30-point game led the Warriors to a 140-131 win over the Chicago Bulls on Friday at United Center. The win started ugly. The Warriors allowed 75 points in the first half with the Bulls shooting 61.9% from 3. It was the fourth time in the last five games the Warriors allowed more than 70 points in a half as the Draymond Green-less defense continues to sputter. The Warriors (18-20) answered back with a 48-point third quarter, their highest scoring quarter of the season, fueled by a Thompson heater in which he shot 5 for 5 from 3, scoring a season-high 17 points in the f…