EpicSelectorProvider::fillWithPreselectedItems

private function fillWithPreselectedItems(int $groupId, Dialog $dialog): void
{
	if ($dialog->getPreselectedCollection()->count() < 1)
	{
		return;
	}

	$epics = $this->getSelectedEpicItems(
		$groupId,
		$this->getPreselectedItemsIds($dialog)
	);

	$sort = 0;
	foreach ($epics as $epicItem)
	{
		$epicItem->setSort(++$sort);
		$dialog->addItem($epicItem);
	}
}