SAN FRANCISCO — Despite a NBA Finals record six first-quarter 3-pointers from Steph Curry and an impressive third quarter in which Golden State outscored Boston by 14 points, the Warriors collapsed in stunning fashion in the final minutes and lost Game 1 of the NBA Finals 120-108 to the Celtics. Golden State’s double-digit lead entering the final quarter evaporated with the Celtics’ Jaylen Brown, Al Horford and Derrick White combining to lead an explosive 17-0 run that handed Golden State its first home loss of the 2022 playoffs. After the Warriors won the third quarter 38-24, Boston roared ba…