Chore upgrade ember intl (#1425)

* refactor: 💡 explicitly inject the store service - icu-6770

✅ Closes: icu-6770

* refactor: 💡 upgrade to ember-intl 6.0.1

includes locale initialization and smoke tests

* refactor: 💡 migrate admin and desktop to ember-intl 6.x

✅ Closes: icu-6771

* chore: 🤖 exclude cldr-core@38.1.0 from license checking

this license was manually checked

* fix: 🐛 fix text naming and linting

* chore: 🤖 update to ember-intl beta

ui/admin/app/routes/application.js

@@ -14,6 +14,7 @@ export default class ApplicationRoute extends Route {
   @service session;
   @service confirm;
   @service router;
+  @service intl;
 
   // =attributes
 
@@ -48,6 +49,7 @@ export default class ApplicationRoute extends Route {
   }
 
   async beforeModel() {
+    this.intl.setLocale(['en-us']);
     await this.session.setup();
     const theme = this.session.get('data.theme');
     this.toggleTheme(theme);