hotfix picto state dashboard

sails/src/assets/scripts/modules/student/controllers/collections.js

@@ -609,6 +609,9 @@ dashboardControllers.controller('StudentCollectionsCtrl', function StudentCollec
         $scope.showGrid(data.attributes.id_grid, 'menu');
         $scope.showGrid(data.attributes.id_grid, 'menu');
       }else{
       }else{
         // Reload only modified picto
         // Reload only modified picto
+        if(data.action == "delete")
+          $scope.mainGrid[data.attributes.stu_picto.attributes.coord_x][data.attributes.stu_picto.attributes.coord_y] = $scope.emptyStudentPicto;
+        else
           $scope.mainGrid[data.attributes.stu_picto.attributes.coord_x][data.attributes.stu_picto.attributes.coord_y] = data.attributes.stu_picto;
           $scope.mainGrid[data.attributes.stu_picto.attributes.coord_x][data.attributes.stu_picto.attributes.coord_y] = data.attributes.stu_picto;
       }
       }