An appeals court has doubled down on its decision to outlaw investigative alerts, used by Chicago police as “a deliberate end-run around” to get arrest warrants from judges.The 1st District Appellate Court has rejected an effort by prosecutors to get another hearing in the case of Cordell Bass, who was named in an alert and arrested during a traffic stop for an alleged sexual assault during the summer of 2014.The Cook County State’s Attorney’s Office this week said it would ask the state’s …