fix: fix initial addressbook sync skipping items due to ordering

Signed-off-by: Robin Appelman <robin@icewind.nl>

apps/dav/lib/CardDAV/CardDavBackend.php

@@ -980,7 +980,8 @@ class CardDavBackend implements BackendInterface, SyncSupport {
 					->from('cards')
 					->where(
 						$qb->expr()->eq('addressbookid', $qb->createNamedParameter($addressBookId))
-					);
+					)
+					->orderBy('id');
 				// No synctoken supplied, this is the initial sync.
 				$qb->setMaxResults($limit);
 				$stmt = $qb->executeQuery();