ember-leafet bug

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

controllers.index.js

import Ember from 'ember';

export default Ember.Controller.extend({

  stores: Ember.A([
    {
      id: 1,
      name: 'Sinju Restaurant',
      lat: 48.87,
      lng: 2.34
    },
    {
      id: 2,
      name: 'Burgerville',
      lat: 48.86,
      lng: 2.36
    }
  ])  
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.leaflet-container {
  width: 100%;
  min-height: 300px;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

templates.index.hbs

{{#leaflet-map lat=48.8534100 lng=2.3488000 zoom=12 as |layers|}}
  {{layers.tile url="http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png"}}

  {{#each stores as |store|}}
    {{#layers.marker
        lat=store.lat
        lng=store.lng
        onClick=(action (mut openStore) store)
        as |marker|
      }}
        {{#marker.popup popupOpen=(eq store.id openStore.id)}}
          <h3>{{store.name}}</h3>
        {{/marker.popup}}
    {{/layers.marker}}
  {{/each}}
  
{{/leaflet-map}}

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "ember-testing": "2.10.2"
  },
  "addons": {
    "ember-truth-helpers": "1.3.0",
  	"ember-leaflet": "3.0.9"
  }
}