修复：confirmGift null错误（先保存item再关弹框）；MessageSent改为ShouldBroadcastNow立即广播；修复route()引号冲突

app/Events/MessageSent.php

@@ -12,11 +12,11 @@ namespace App\Events;
 
 use Illuminate\Broadcasting\InteractsWithSockets;
 use Illuminate\Broadcasting\PresenceChannel;
-use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
 use Illuminate\Foundation\Events\Dispatchable;
 use Illuminate\Queue\SerializesModels;
 
-class MessageSent implements ShouldBroadcast
+class MessageSent implements ShouldBroadcastNow
 {
     use Dispatchable, InteractsWithSockets, SerializesModels;