selector: refresh pathbar when changing folder

vispa/extensions/file/static/js/selector/selector.js

@@ -94,6 +94,7 @@ var FileSelector = FileBase.extend({
     this.workflow.currentView.setContent(cntFilt);
     this.instance.setLabel(this.workflow.path, true);
     this.instance.setLoading(false);
+    this.pathBar.render();
   }
 
 });