SAN FRANCISCO – If it seems the Warriors are being exceedingly cautious with the return of Stephen Curry, they are. For his sake, yes, but perhaps even more, for their sake.Though they are destined for a low seed in the NBA play-in tournament, the Warriors still believe they have a chance to make noise in the playoffs. As delusional as it might seem given their 36-39 record, it’s conceivable under one condition:If they are as healthy as they have been since Jimmy Butler III sustained a season-ending torn ACL on Jan. 19. It doesn’t matter if they go 7-0 or 0-7 over their final seven games.“Being healthy is the No. 1 priority,” coach Steve Kerr said Tuesday after practice.Golden State is trending toward improved health. Curry, sidelined since Jan. 30 with runner’s knee, returned to practice Tuesday. He won’t play Wednesday against the Spurs, and he’s doubtful for Thursday against the Cavaliers. But Curry’s energetic presence, coaches and teammates seeing him sweat and grunt, lifted spirits throughout Chase Center.“It’s amazing just to have him out there with us,” Gui Santos said. “You know, it’s...