message: Fix tranlation issue on error-page
diff: <div class='col-xs-12'>
  <h1>{{t (concat this.translateKey '.heading')}}</h1>
  <p>
  - {{t (concat this.translateKey '.message')}}
  + {{t (concat this.translateKey '.message') brand=(t 'general.services.collections')}}
  <br>
  <span>
  {{t 'app_components.error_page.email_message'}}
  