[Autocomplete] Reset form state on each request for applications that reuse the Symfony application between requests

Author: ashrpc

src/Autocomplete/src/DependencyInjection/AutocompleteFormTypePass.php

@@ -47,7 +47,8 @@ private function processEntityAutocompleteFieldTag(ContainerBuilder $container)
             $wrappedDefinition = (new ChildDefinition('ux.autocomplete.wrapped_entity_type_autocompleter'))
                 // the "formType" string
                 ->replaceArgument(0, $serviceDefinition->getClass())
-                ->addTag(self::ENTITY_AUTOCOMPLETER_TAG, ['alias' => $alias]);
+                ->addTag(self::ENTITY_AUTOCOMPLETER_TAG, ['alias' => $alias])
+                ->addTag('kernel.reset', ['method' => 'reset']);
             $container->setDefinition('ux.autocomplete.wrapped_entity_type_autocompleter.'.$alias, $wrappedDefinition);
         }
     }

src/Autocomplete/src/Form/WrappedEntityTypeAutocompleter.php

@@ -19,6 +19,7 @@
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
 use Symfony\Component\PropertyAccess\PropertyPathInterface;
+use Symfony\Contracts\Service\ResetInterface;
 use Symfony\UX\Autocomplete\Doctrine\EntityMetadata;
 use Symfony\UX\Autocomplete\Doctrine\EntityMetadataFactory;
 use Symfony\UX\Autocomplete\Doctrine\EntitySearchUtil;
@@ -29,7 +30,7 @@
  *
  * @internal
  */
-final class WrappedEntityTypeAutocompleter implements OptionsAwareEntityAutocompleterInterface
+final class WrappedEntityTypeAutocompleter implements OptionsAwareEntityAutocompleterInterface, ResetInterface
 {
     private ?FormInterface $form = null;
     private ?EntityMetadata $entityMetadata = null;
@@ -188,4 +189,10 @@ public function setOptions(array $options): void
 
         $this->options = $options;
     }
+
+    public function reset(): void
+    {
+        unset($this->form);
+        $this->form = null;
+    }
 }