Update::setConfig

private function setConfig(): self
{
	if (isset($this->newData['CONFIG_ID']))
	{
		$configManager = new Config();
		$config = $configManager->get($this->newData['CONFIG_ID']);
		if ($config)
		{
			$this->session->setConfig($config);
		}
		else
		{
			unset($this->newData['CONFIG_ID']);
		}
	}

	return $this;
}