Fix codestyle

Author: janbarasek

src/SelectboxItem.php

@@ -11,10 +11,10 @@ final class SelectboxItem
 
 	private string $name;
 
-	private int|string|null $parentId;
+	private int|string |null $parentId;
 
 
-	public function __construct(int|string $id, string $name, int|string|null $parentId = null)
+	public function __construct(int|string $id, string $name, int|string |null $parentId = null)
 	{
 		$this->id = $id;
 		$this->name = $name;

src/SelectboxTree.php

@@ -97,7 +97,11 @@ public function setNameFormatter(NameFormatter $nameFormatter): void
 	 * @param string[][]|null[][]|null $categories
 	 * @return mixed[][]
 	 */
-	private function serializeCategoriesToSelectbox(?array $categories, int $level = 0, int|string|null $parent = null): array
+	private function serializeCategoriesToSelectbox(
+        ?array $categories,
+        int $level = 0,
+        int|string |null $parent = null
+    ): array
 	{
 		static $usedIds = [];