populate student license working with websocket

sails/src/api/controllers/StudentController.js

@@ -950,6 +950,9 @@ module.exports = {
           return res.serverError("Error updating active scene");
         }
         else{
+          Student.findOne({id:params.id_stu})
+          .populate('license')
+          .then(student => {
             // Send websocket message
             sails.hooks.events.broadcastEvent(
               sails.hooks.rooms.student(student.id),
@@ -957,6 +960,7 @@ module.exports = {
               (req.isSocket) ? req.socket : undefined
             );
             return res.ok(student);
+          });
         }
       })
     }).catch(function(err){