fix: rename flash Object class to FlashObject to avoid transpilation issues (#342)

fixes #341

Author: makepanic

addon/flash/object.js

@@ -3,7 +3,9 @@ import EmberObject, { set } from '@ember/object';
 import { cancel, later } from '@ember/runloop';
 import { guidFor } from '../utils/computed';
 
-export default class Object extends EmberObject.extend(Evented) {
+// Note:
+// To avoid https://github.com/poteto/ember-cli-flash/issues/341 from happening, this class can't simply be called Object
+export default class FlashObject extends EmberObject.extend(Evented) {
   exitTimer = null;
   exiting = false;
   isExitable = true;