Apply fixes from StyleCI

framework/core/src/Extend/Conditional.php

@@ -19,8 +19,6 @@ use Illuminate\Contracts\Container\Container;
  *
  * This is useful for applying extenders only if certain conditions are met,
  * such as the presence of an enabled extension or a specific configuration setting.
- *
- * @package Flarum\Extend
  */
 class Conditional implements ExtenderInterface
 {

framework/core/tests/integration/extenders/ConditionalTest.php

@@ -144,7 +144,7 @@ class ConditionalTest extends TestCase
         $this->extend(
             (new Extend\Conditional())
                 ->when(function (?ExtensionManager $extensions) {
-                    if (!$extensions) {
+                    if (! $extensions) {
                         throw new Exception('ExtensionManager not injected');
                     }
                 }, [