chore(dav): tidy getCalendarObjectByUID for logical clarity

Signed-off-by: Josh <josh.t.richards@gmail.com>

Author: joshtrichards

apps/dav/lib/CalDAV/CalDavBackend.php

@@ -2670,13 +2670,14 @@ public function getCalendarObjectByUID($principalUri, $uid, $calendarUri = null)
 			->andWhere($query->expr()->eq('co.uid', $query->createNamedParameter($uid)))
 			->andWhere($query->expr()->eq('co.calendartype', $query->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)))
 			->andWhere($query->expr()->isNull('co.deleted_at'))
-			->andWhere($query->expr()->isNull('c.deleted_at'))
-			->setMaxResults(1);
+			->andWhere($query->expr()->isNull('c.deleted_at'));
 
 		if ($calendarUri !== null) {
 			$query->andWhere($query->expr()->eq('c.uri', $query->createNamedParameter($calendarUri)));
 		}
 
+		$query->->setMaxResults(1);
+
 		$stmt = $query->executeQuery();
 		$row = $stmt->fetchAssociative();
 		$stmt->closeCursor();