fix(CalDavBackend): allow to search for event URI

Signed-off-by: Jonas <jonas@freesources.org>

Author: mejo-

apps/dav/lib/CalDAV/CalDavBackend.php

@@ -2062,6 +2062,10 @@ public function search(
 			$outerQuery->andWhere($outerQuery->expr()->eq('uid', $outerQuery->createNamedParameter($options['uid'])));
 		}
 
+		if (isset($options['uri'])) {
+			$outerQuery->andWhere($outerQuery->expr()->eq('uri', $outerQuery->createNamedParameter($options['uri'])));
+		}
+
 		if (!empty($options['types'])) {
 			$or = [];
 			foreach ($options['types'] as $type) {