ember-animated issue replication

components.animated-slide.js

import Component from '@ember/component';
import fade from 'ember-animated/transitions/fade';

export default Component.extend({
  fade,
  fadeMessage: false,
  mail: "Hello",
});

components.my-component.js

import Ember from 'ember';

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

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  sayHi: false,
  
  actions: {
    toggleHi() {
       this.set('sayHi', !this.sayHi);
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
<button {{action 'toggleHi'}}>Toggle Hi</button><br/>
<AnimatedSlide @isVisible={{this.sayHi}}>
	<MyComponent />
</AnimatedSlide>
<br>
<br>

templates.components.animated-slide.hbs

{{#animated-container}}
  {{#animated-if @isVisible use=fade}}
    {{yield}}
  {{/animated-if}}
{{/animated-container}}

templates.components.my-component.hbs

hi

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {
    }
  },
  "options": {
    "use_pods": false,
    "jquery-integration": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-animated": "0.3.1"
  }
}