minor #148 fix the code style (xabbuh)

This PR was merged into the 0.3-dev branch.

Discussion
----------

fix the code style

Commits
-------

45e1df1 fix the code style

Author: xabbuh

src/Qossmic/ExceptionHandling/FormExceptionHandler.php

@@ -29,7 +29,7 @@ final class FormExceptionHandler
     private ?TranslatorInterface $translator;
     private ?string $translationDomain;
 
-    public function __construct(ExceptionHandlerRegistry $exceptionHandlerRegistry, TranslatorInterface $translator = null, string $translationDomain = null)
+    public function __construct(ExceptionHandlerRegistry $exceptionHandlerRegistry, ?TranslatorInterface $translator = null, ?string $translationDomain = null)
     {
         $this->exceptionHandlerRegistry = $exceptionHandlerRegistry;
         $this->translator = $translator;

tests/Fixtures/Form/TypeMismatchPriceChangeType.php

@@ -27,8 +27,8 @@ class TypeMismatchPriceChangeType extends AbstractType
     public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $price = $builder->create('price', IntegerType::class, [
-                'handle_exception' => $options['expected_price_exception'],
-            ])
+            'handle_exception' => $options['expected_price_exception'],
+        ])
             ->addViewTransformer(new CallbackTransformer(
                 function ($value) {
                     if (!$value instanceof Price) {

tests/Fixtures/Model/Category.php

@@ -20,7 +20,7 @@ class Category
     private $name;
     private $parent;
 
-    public function __construct(string $name, self $parent = null)
+    public function __construct(string $name, ?self $parent = null)
     {
         $this->validateName($name);