added embedded Discord messages logic

app/Notifications/Channels/DiscordChannel.php

@@ -12,7 +12,7 @@ class DiscordChannel
      */
     public function send(SendsDiscord $notifiable, Notification $notification): void
     {
-        $message = $notification->toDiscord($notifiable);
+        $message = $notification->toDiscord();
         $webhookUrl = $notifiable->routeNotificationForDiscord();
         if (! $webhookUrl) {
             return;