psalm and changelog

Signed-off-by: dartcafe <github@dartcafe.de>

Author: dartcafe

CHANGELOG.md

@@ -24,6 +24,7 @@ All notable changes to this project will be documented in this file.
  - Delete polls without the need to archive them first
  - Collapsible poll description
  - Transfer polls to another owner by the current poll owner or the administration
+ - Added reference provider for link previews
 
 ## [7.4.1] - 2024-03-07
 ### New

lib/Reference/PollReferenceProvider.php

@@ -21,6 +21,7 @@
 
 class PollReferenceProvider implements IReferenceProvider {
 
+	/** @psalm-suppress PossiblyUnusedMethod */
 	public function __construct(
 		private PollService $pollService,
 		private IURLGenerator $urlGenerator,
@@ -118,7 +119,7 @@ public function resolveReference(string $referenceText): ?IReference {
 
 	public function getCachePrefix(string $referenceId): string {
 		$pollId = $this->extractPollId($referenceId);
-		if ($pollId !== null) {
+		if ($pollId !== 0) {
 			return (string)$pollId;
 		}