One state powerhouse and top-ranked school humbled another Friday at Robertson Memorial Gym. For the Roseburg High wrestling team, the feeling was a foreign one. Especially on its home floor. Lake Stevens, Wash., which has won four state titles since 2007, dealt the Indians their first home dual loss since the 2005-06 season by a cumulative score of 48-14. The Indians saw 10 wrestlers who entered ranked in the top-10 of their respective weight classes and were able to knock off one of them. “It was the competition we were looking for, but not quite the outcome,” Roseburg coach Steve …