Stage::resortStagesAndSave

private function resortStagesAndSave(Factory $factory, int $categoryId): void
{
	$sort = 10;
	$stageObjects = $factory->getStages($categoryId);

	foreach ($stageObjects as $stageObject)
	{
		$stageObject->setSort($sort);
		$sort += 10;
	}

	$stageObjects->save();
}