SEATTLE — While it isn’t the Sonics — at least not yet — two sources have confirmed a Los Angeles Times report Wednesday that NBA basketball will make its Climate Pledge Arena debut Oct. 3 in an exhibition game between the L.A. Clippers and Portland Trail Blazers. A press conference is scheduled for Wednesday at Climate Pledge to announce the first NBA contest in this city since a similar October 2018 exhibition and comes amid increased talk of a Sonics rebirth. The Clippers are owned by longtime Seattle-area resident and former Microsoft CEO Steve Ballmer while the Trail Blazers are managed b…