File::copyEntityFiles

static function copyEntityFiles($from, $to, $entityType)
{
	$res = FileTable::getList(array(
		'select' => array(
			'FILE_ID'
		),
		'filter' => array(
			'ENTITY_ID' => $from,
			'=ENTITY_TYPE' => $entityType
		)
	));
	while ($row = $res->fetch())
	{
		FileTable::add(array(
			'FILE_ID' => $row['FILE_ID'],
			'ENTITY_ID' => $to,
			'ENTITY_TYPE' => $entityType
		));
	}
}