WIP change animator field

src/Bundle/ChillEventBundle/Controller/EventController.php

@@ -221,9 +221,6 @@ final class EventController extends AbstractController
     {
         $role = 'CHILL_EVENT_CREATE';
 
-        /**
-         * @var Center $centers
-         */
         $centers = $this->authorizationHelper->getReachableCenters($this->getUser(), $role);
 
         if (1 === \count($centers)) {
@@ -243,7 +240,7 @@ final class EventController extends AbstractController
             ->add('center_id', EntityType::class, [
                 'class' => Center::class,
                 'choices' => $centers,
-                'placeholder' => '',
+                'placeholder' => $this->translator->trans('Pick a center'),
                 'label' => 'To which centre should the event be associated ?',
             ])
             ->add('submit', SubmitType::class, [