Simplify if clause and fix assert arguments order

Author: Lustmored

src/LiveComponent/src/ComponentWithFormTrait.php

@@ -166,13 +166,7 @@ private function extractFormValues(FormView $formView): array
         $values = [];
         foreach ($formView->children as $child) {
             $name = $child->vars['name'];
-            if (
-                (
-                    !\array_key_exists('expanded', $child->vars)
-                    || !$child->vars['expanded']
-                )
-                && \count($child->children) > 0
-            ) {
+            if (!($child->vars['expanded'] ?? false) && \count($child->children) > 0) {
                 $values[$name] = $this->extractFormValues($child);
 
                 continue;

src/LiveComponent/tests/Unit/Form/ComponentWithFormTest.php

@@ -23,9 +23,7 @@ public function testFormValues(): void
     {
         $component = new Component6($this->factory->createBuilder());
 
-        $values = $component->getFormValues();
         $this->assertSame(
-            $values,
             [
                 'text' => '',
                 'textarea' => '',
@@ -35,7 +33,8 @@ public function testFormValues(): void
                 'checkbox' => null,
                 'file' => '',
                 'hidden' => '',
-            ]
+            ],
+            $component->getFormValues()
         );
     }
 }