Fixed PG resize mode

Playground/css/index.css

@@ -402,6 +402,7 @@ body {
     color:#999;
     display: inline-block;
 }
+
 /* Save form & co */
 
 .save-message {

Playground/js/index.js

@@ -30,6 +30,7 @@
         tabSize: "auto",
         insertSpaces: "auto",
         roundedSelection: true,
+        automaticLayout: true,
         scrollBeyondLastLine: false,
         readOnly: false,
         theme: "vs",