NEW YORK (AP) — Simon Holmstrom scored the go-ahead goal in the third period, Ilya Sorokin stopped Sidney Crosby on a late penalty shot and the playoff-bound New York Islanders edged the Pittsburgh Penguins 5-4 on Wednesday night. Samuel Bolduc and Brock Nelson each had a goal and an assist, and Casey Cizikas and Kyle Palmieri also scored for the Islanders, who ended the regular season having won eight of their last nine (8-0-1). Ruslan Iskhakov…