Fix duration editor

edit-mode/function/ganttConfig.js

@@ -256,7 +256,7 @@ var allColumns = [
 	{ name: "text", label: "Activity", tree: true, min_width: 150, editor: editor.text, resize: true },
 	{ name: "start_date", label: "Start Date", align: "center", min_width: 80, editor: editor.start_date, resize: true },
 	{ name: "end_date", label: "Finish Date", align: "center", min_width: 80, editor: editor.end_date, resize: true },
-	{ name: "duration", label: "Duration (Day)", align: "center", min_width: 50, resize: true },
+	{ name: "duration", label: "Duration (Day)", align: "center", min_width: 50, resize: true, editor: editor.duration },
 	{ name: "rencana_biaya", label: "Cost Planning", align: "right", min_width: 100, resize: true, template: function (text) {
 		if(!text.rencana_biaya){
 			return