By Hunter Hodies The Raiders coach and general manager search looks to be gaining some traction. Las Vegas has requested permission to interview Patriots offensive coordinator Josh McDaniels and that request looks to have been accepted. Per NFL Network’s Ian Rapoport, there’s momentum building for McDaniels to be the head coach, plus for Dave Ziegler to be the general manager. “Josh McDaniels, the Patriots offensive coordinator, is flying to Las Vegas today to have dinner with Raiders brass tonight and then have a full interview on Saturday,” Rapoport said on Good Morning Football. “This is a …