GetScene fix active scene

sails/src/api/controllers/SceneController.js

@@ -110,12 +110,17 @@ module.exports = {
             return res.badRequest();
           }
           else{
-            Scene.pictos(scene.id, function(err, pictos){
+            Student.findOne({id:scene.student}).then(student=>{
+              Scene.pictos(scene.id, function(err, pictos){
                 if (err){
                   return res.serverError("Error obtaining pictos: "+  err);
                 }
-              scene.pictos=pictos;
-              return res.ok(scene);
+                scene.active = scene.id == student.id_active_scene;
+                scene.pictos=pictos;
+                return res.ok(scene);
+              });
+            }).catch(function(err){
+
             });
           }
         }).catch(function (err){