legend error hotfix

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

@@ -72,8 +72,8 @@ dashboardControllers.controller('PictoConfigCtrl', function (
       return new Promise(function (resolve, reject) {
         if ($scope.update_all_legend) {
           $http
-            .put(config.backend+'/stu/'+ stu.id + '/legend/' + $scope.studentPicto.attributes.legend,{
-              id_grid: $scope.studentPicto.id_grid
+            .put(config.backend + '/stu/' + stu.id + '/legend/' + $scope.studentPicto.attributes.legend,{
+              id_grid: $scope.viewingGrid.id
             })
             .success(function(data, status, headers, config) {
               resolve(result);