[nickvergessen]

Fix nextcloud/server#30836

Steps for testing:

1. Send an admin notification: occ notification:generate admin admin
2. Apply this patch:

diff --git a/lib/Notifier/AdminNotifications.php b/lib/Notifier/AdminNotifications.php
index 5227c0b..67923bd 100644
--- a/lib/Notifier/AdminNotifications.php
+++ b/lib/Notifier/AdminNotifications.php
@@ -89,7 +89,17 @@ class AdminNotifications implements INotifier {
                                        $notification->setParsedMessage($messageParams[0]);
                                }
 
+                       $notification->setParsedSubject($this->l10nFactory->get('notifications')->t('Update for %1$s to version %2$s is available.', ['$appName', $notification->getObjectId()]))
+                               ->setRichSubject($this->l10nFactory->get('notifications')->t('Update for {app} to version %s is available.', [$notification->getObjectId()]), [
+                                       'app' => [
+                                               'type' => 'highlight',
+                                               'id' => $notification->getObjectType(),
+                                               'name' => '$appName',
+                                       ]
+                               ]);
+
                                $notification->setIcon($this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('notifications', 'notifications-dark.svg')));
+                               $notification->setLink('https://nextcloud25.local/index.php/settings/admin/overview');
                                return $notification;
 
                        default:

Before

💥 Subject is not clickable

After

✨ Subject is clickable

[nickvergessen]

/backport to stable24

[nickvergessen]

/backport to stable23