Output_viewStationUtilisationGraph: use same code style as others output widgets

dream/platform/src/dream/Output_viewStationUtilisationGraph.js

@@ -3,7 +3,7 @@
 (function (window, rJS, $, initGadgetMixin) {
   "use strict";
 
-  function station_utilisation_graph_widget(output_data) {
+  function station_utilisation_graph_widget(data, result_id) {
     var blockage_data = [],
       waiting_data = [],
       failure_data = [],
@@ -15,7 +15,7 @@
 
     // XXX output is still elementList ???
     $.each(
-      output_data.elementList.sort(
+      data.result.result_list[result_id].elementList.sort(
         function (a, b) {
           return a.id < b.id ? -1 : 1;
         }
@@ -146,8 +146,7 @@
       })
         .push(function (simulation_json) {
           gadget.props.result_list = station_utilisation_graph_widget(
-            JSON.parse(simulation_json)
-                .result.result_list[gadget.props.result]
+            JSON.parse(simulation_json), gadget.props.result
           );
         });
     })