SALT LAKE CITY—Donovan Mitchell played a nearly perfect second half to keep Utah’s winning streak going, though he has bigger goals than regular-season victories. “We are holding ourselves to a higher standard because we’ve done this in the regular season. We need to be good enough to take that next step,” Mitchell said. Mitchell scored 19 of his 27 points in the second half, Bojan Bogdanovic made six 3-pointers, and the Jazz beat the Los Angeles Clippers 124–103 on Wednesday night for their eighth straight win. Mitchell’s jumper wasn’t falling early so he relied on a variety of moves and change of pace to get to the basket. “I am trying not to be predictable, trying to find a balance between being explosive and doing what I did in the playoffs last year, scoring while being grounded [because of a hurt ankle],” Mitchell said. Jordan Clarkson scored 21, Rudy Gobert …