Nested Component rendering in Master Component

components.application-area.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
  	fromParent() {
    	alert('from parent');
    }
  }
});

components.nested-drawer.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  actions: {
  	buttonClick() {
    	alert('click');
      this.sendAction();
    }
  }
});

controllers.application.js

import Ember from 'ember';

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

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('my-route');
});

export default Router;

routes.my-route.js

import Ember from 'ember';

export default Ember.Route.extend({
});

styles.app.css

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

templates.application.hbs

{{link-to 'Index' 'index'}}
{{link-to 'My Route' 'my-route'}}

{{#application-area}}

{{outlet}}

{{/application-area}}

templates.components.application-area.hbs

<div style="border: 1px solid blue; padding: 10px">
<h3>Application Area Component</h3>

{{yield}}


</div>

templates.components.nested-drawer.hbs

<div style="border: 1px solid red; padding: 10px;">
	<h5>Nested Drawer Component</h5>
  
  <button {{action "buttonClick"}}>Drawer Button</button>
</div>

templates.my-route.hbs

<h5>My Route</h5>

{{nested-drawer}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}