title: Telescope error when running composer --no-dev
body: <p>When I want to deploying my app to production. I simply run</p>
  <blockquote>
  <p>composer install --no-dev --optimize-autoloader</p>
  </blockquote>
  <p>Which will result an error.</p>
  <blockquote>
  <p>In TelescopeServiceProvider.php line 10:
  Class 'Laravel\Telescope\TelescopeApplicationServiceProvider' not
  found</p>
  <p>Script @php artisan package:discover --ansi handling the
  post-autoload-dump event returned with error code 1</p>
  </blockquote>