fix foreign network direct conn with mapped listeners (#1363)

easytier/src/peers/foreign_network_manager.rs

@@ -171,6 +171,8 @@ impl ForeignNetworkEntry {
         flags.disable_relay_kcp = !global_ctx.get_flags().enable_relay_foreign_network_kcp;
         config.set_flags(flags);
 
+        config.set_mapped_listeners(Some(global_ctx.config.get_mapped_listeners()));
+
         let foreign_global_ctx = Arc::new(GlobalCtx::new(config));
         foreign_global_ctx
             .replace_stun_info_collector(Box::new(global_ctx.get_stun_info_collector().clone()));