Init splitter in Preferences also when env.action is empty

skins/larry/ui.js

@@ -144,7 +144,7 @@ function rcube_mail_ui()
         new rcube_splitter({ id:'identviewsplitter', p1:'#identitieslist', p2:'#identity-details',
           orientation:'v', relative:true, start:266, min:180, size:12 }).init();
       }
-      else if (rcmail.env.action == 'preferences') {
+      else if (rcmail.env.action == 'preferences' || !rcmail.env.action) {
         new rcube_splitter({ id:'prefviewsplitter', p1:'#sectionslist', p2:'#preferences-box',
           orientation:'v', relative:true, start:266, min:180, size:12 }).init();
       }