DoD::getItemItems

private function getItemItems(int $itemId, int $userId): array
{
	$items = [];

	try
	{
		$items = ItemChecklistFacade::getItemsForEntity($itemId, $userId);
		foreach (array_keys($items) as $id)
		{
			$items[$id]['COPIED_ID'] = $id;
			unset($items[$id]['ID']);
		}
	}
	catch (Exception $exception)
	{
		$this->errorCollection->setError(
			new Error(
				$exception->getMessage(),
				self::ERROR_COULD_NOT_GET_DATA
			)
		);
	}

	return $items;
}