Debug JSON: Make codemirror display properly the first time it is displayed

This is a quick fix, the problem is in that we have two methods render /
startService

dream/platform/src/dream/Input_viewDebugJson.js

@@ -16,6 +16,7 @@
     /////////////////////////////////////////////////////////////////
     .declareMethod("startService", function () {
       var gadget = this;
+      gadget.props.codemirror.refresh();
       return new RSVP.Queue()
       .push(function () {
         return promiseEventListener(