The director of Washington’s Department of Enterprise Services went on leave last week, but no one in the agency or the governor’s office is saying why or for how long. Matt Jones was appointed to the top post a year ago and is a member of Gov. Bob Ferguson’s executive cabinet. The department manages state facilities, among other duties. It has more than 900 employees, a $280 million operating budget, and a $1.2 billion capital program, accordin…