fix(notifications): Fix check for hasNotifiers when all apps use RegistrationContext

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

lib/private/Notification/Manager.php

@@ -207,7 +207,9 @@ public function createNotification(): INotification {
 	 * @since 8.2.0
 	 */
 	public function hasNotifiers(): bool {
-		return !empty($this->notifiers) || !empty($this->notifierClasses);
+		return !empty($this->notifiers)
+			|| !empty($this->notifierClasses)
+			|| (!$this->parsedRegistrationContext && !empty($this->coordinator->getRegistrationContext()->getNotifierServices()));
 	}
 
 	/**