SEATTLE — Kalen DeBoer said it in passing, a throwaway line with prophetic effects. “I still feel like a huge strength of ours is getting after the quarterback,” UW’s first-year coach mentioned Monday, despite his Huskies producing just seven sacks in their first three games. “We’ll be able to do that as we go through the season, making teams one-dimensional.” Five days later, the Husky pass rush rewarded that faith. In a 40-22 win over Stanford in its Pac-12 opener, No. 18 Washington amassed eight pad-popping sacks — its most since a 63-7 win over Montana in 2017. Although UW was without star…