Dubbo3.2.0-beta.5 proxyless mesh模式测试流量路由未成功

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### Environment
dubbo: 3.2.0-beta.5
jdk: 1.8
k8s: 1.25.2
istio: 1.17.1

### Steps to reproduce this issue
1. 按照官方示例（https://cn.dubbo.apache.org/zh-cn/overview/tasks/mesh/proxyless/） 搭建了测试环境。
2. 使用了官方测试demo（https://github.com/apache/dubbo-samples/tree/master/3-extensions/registry/dubbo-samples-xds） ，修改dubbo版本到3.2.0-beta.5。
3. 在k8s中部署了两个版本（v1与v2）的provider以及一个consumer。
4. 使用的路由配置如下所示：

### Expected Behavior
v1版本的pod接收全部consumer流量，v2版本pod没有流量。
### Actual Behavior
v1与v2版本流量均有流量，流量路由功能未生效。

Start with the official proxyless mesh example and the dubbo-samples/3-extensions/registry/dubbo-samples-xds demo, using Dubbo 3.2.0-beta.5 with the listed JDK, Kubernetes, and Istio versions. Reproduce the deployment with v1 and v2 providers, one consumer, and the reported routing configuration. Done means consumer traffic consistently reaches only the v1 provider as expected.

Written by the indexing model from the issue text.