[export] add a filter and aggregator on accompanying periods: group by activity type (accompanying course having at least one activity from this type)

src/Bundle/ChillMainBundle/Form/Type/PickRollingDateType.php

@@ -34,6 +34,7 @@ class PickRollingDateType extends AbstractType
                 ),
                 'multiple' => false,
                 'expanded' => false,
+                'required' => $options['required'],
                 'label' => 'rolling_date.roll_movement',
             ])
             ->add('fixedDate', ChillDateType::class, [
@@ -57,7 +58,10 @@ class PickRollingDateType extends AbstractType
             'constraints' => [
                 new Callback($this->validate(...)),
             ],
+            'required' => true,
         ]);
+
+        $resolver->setAllowedTypes('required', 'bool');
     }
 
     public function validate($data, ExecutionContextInterface $context, $payload): void