A top official in the Patrick administration has been placed on unpaid leave because he was arrested in Florida and charged with sexually assaulting a 15-year-old male in a steam room at a $500-a-night Gulf Coast resort. Carl Stanley McGee, 38, assistant secretary for policy and planning, is scheduled to be arraigned next week for sexual battery in Lee County, Fla. McGee helped draft Patrick's casino bill, life sciences legislation, and his plan to bring broadband Internet service to the farthest reaches of the state