A woman who smuggled a balloon containing tobacco and cocaine into the Metropolitan Correctional Center is guilty of a felony, a federal judge held.In a written opinion this week, U.S. District Judge Andrea R. Wood rejected the argument that the crime Nikole Yvette Johnson admits committing — providing a prohibited object to a federal prisoner — was a misdemeanor.Wood conceded Johnson would be guilty of a misdemeanor if the balloon she gave a prisoner had contained only tobacco.Wood also conceded there is not …