fix deprecations: use fqcn for entity, ComposedGroupCenterType.

Form/Type/ComposedGroupCenterType.php

@@ -22,6 +22,8 @@ namespace Chill\MainBundle\Form\Type;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+
 use Chill\MainBundle\Entity\PermissionsGroup;
 use Chill\MainBundle\Entity\Center;
 
@@ -35,12 +37,12 @@ class ComposedGroupCenterType extends AbstractType
 
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
-        $builder->add('permissionsgroup', 'entity', array(
+        $builder->add('permissionsgroup', EntityType::class, array(
             'class' => 'Chill\MainBundle\Entity\PermissionsGroup',
             'choice_label' => function(PermissionsGroup $group) {
                 return $group->getName();
             }
-        ))->add('center', 'entity', array(
+        ))->add('center', EntityType::class, array(
             'class' => 'Chill\MainBundle\Entity\Center',
             'choice_label' => function(Center $center) {
                 return $center->getName();

Form/Type/ComposedRoleScopeType.php

@@ -23,13 +23,16 @@ namespace Chill\MainBundle\Form\Type;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\FormBuilderInterface;
-use Chill\MainBundle\Templating\TranslatableStringHelper;
-use Chill\MainBundle\Entity\Scope;
-use Chill\MainBundle\Security\RoleProvider;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\FormEvent;
 use Symfony\Component\Form\FormEvents;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 
+use Chill\MainBundle\Templating\TranslatableStringHelper;
+use Chill\MainBundle\Entity\Scope;
+use Chill\MainBundle\Security\RoleProvider;
+
+
 /**
  * Form to Edit/create a role scope. If the role scope does not
  * exists in the database, he is generated.
@@ -100,7 +103,7 @@ class ComposedRoleScopeType extends AbstractType
                     return $this->roleProvider->getRoleTitle($role);
                }
             ))
-            ->add('scope', 'entity', array(
+            ->add('scope', EntityType::class, array(
                 'class' => 'ChillMainBundle:Scope',
                 'choice_label' => function(Scope $scope) use ($translatableStringHelper) {
                     return $translatableStringHelper->localize($scope->getName());