Update::checkAccess

public function checkAccess(): Result
{
	$result = new Result();

	if(!Container::getInstance()
		->getUserPermissions(
			$this->getContext()->getUserId()
		)
		->canUpdateItem(
			$this->item
		)
	)
	{
		$result->addError(
			new Error(
				Loc::getMessage('CRM_TYPE_ITEM_PERMISSIONS_UPDATE_DENIED'),
				static::ERROR_CODE_ITEM_UPDATE_ACCESS_DENIED
			)
		);
	}

	return $result;
}