Query Param test

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  queryParams: ['category'],
  category: 1
});

application.route.js

import Ember from 'ember';

export default Ember.Route.extend({
  setupController(controller, context) {
  	this._super(controller, context);

    // adds the query param to the url
    Ember.RSVP.Promise.resolve().then(() => {
			//controller.set('category', 23);
    });
    
    // this doesn't 
		controller.set('category', 23);
	},
});

application.template.hbs

<h1>Query Param test</h1>

<p>
My expectaion is the url gets automatically the configured query param added.
</p>

<p>application/route.js updates the query param in two ways
<br><br>
1. inside a promise<br>
2. directly via set on the controller
<br><br>
I would expect both work but only the promise version updates the url.
</p>

{{outlet}}
<br>
<br>

models.user.js

import DS from 'ember-data';

export default DS.Model.extend({
  name: DS.attr(),
});

twiddle.json

{
  "version": "0.4.17",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}