A teenager who keeps getting sprung by judges despite five open weapons-possession cases may finally see the inside of a state prison — he’s facing two years for felony gun possession at a sentencing scheduled for Monday in Brooklyn. -snip A reputed member of the Cripps’ “Folk Nation” gang, Wilson, 19, had four open gun cases in Queens and Brooklyn when he was busted on his fifth gun possession case Sunday — and quickly sprung by a Brooklyn judge thanks to last year’s bail reform rules.Out on a total $26,500 bail, Wilson — who has a perfect court attendance record...