fix(psalm): Adapt unified sharing to new non-deprecated API

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

Author: CarlSchwan

lib/unstable/Sharing/Recipient/AShareRecipientTypeSearchCollaborator.php

@@ -68,10 +68,7 @@ public function searchRecipients(ShareAccessContext $accessContext, string $quer
 
 		// TODO: Maybe enable lookup?
 		// TODO: Maybe merge search requests from different recipient types backed by the collaborators API.
-		[$searchResults] = $this->getSearch()->search($query, [$this->getCollaboratorType()], false, $limit, $offset);
-		if (!is_array($searchResults)) {
-			return [];
-		}
+		[$searchResults] = $this->getSearch()->filteredSearch($query, [$this->getCollaboratorType()], false, 'unified-sharing', null, $limit, $offset);
 
 		$results = [];
 		if (($exactResults = $searchResults['exact']) !== null) {