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- [x] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.

### Environment

* Dubbo version: 3.1.11
* Operating System version: MAC
* Java version: 1.8

### Steps to reproduce this issue

1. 使用3.1.11的版本定义一个接口提供服务，接口中包含相同名字不同参数的X个方法，那么在provider的url上methods参数就会有多个重复的方法名
2. 在2.6.x的consumer端引用该服务时，methodInvokerMap会根据相同方法名存放X个重复invoker地址，如果默认使用random负载均衡，相当于该provider有着X倍的权重一样，压力会是X倍
3. 在刚升dubbo3的时候，如果一台机器收到的流量是其他机器的X倍，可能压力较大会有风险

![duplicate](https://github.com/apache/dubbo/assets/3276231/fa4c2aab-e13c-4bd8-8b8a-3bfada07175c)
![addMap](https://github.com/apache/dubbo/assets/3276231/79b59170-020a-482e-82e2-0ebd6e162d67)


Pls. provide [GitHub address] to reproduce this issue.

### Expected Behavior

在生成provider url的methods参数时，去掉重复的方法名

### Actual Behavior

同名不同参数的方法名，会在url上生成多次

红圈中是灰度发布一台的重复现象
![methods](https://github.com/apache/dubbo/assets/3276231/6c27459e-dc1b-4ad8-b1bf-57c51115c4d8)


if (StringUtils.isNotBlank(extProtocol)) {
                    String[] extProtocols = extProtocol.split(",", -1);
                    protocols.addAll(Arrays.asList(extProtocols));
                }
                
                for (String protocol : protocols) {
                    if (StringUtils.isNotBlank(protocol)) {
                        URL localUrl = URLBuilder.from(url).
                            setProtocol(protocol).
                            build();
                        localUrl = exportRemote(localUrl, registryURLs, register);
                        if (!isGeneric(generic) && !getScopeModel().isInternal()) {
                            MetadataUtils.publishServiceDefinition(localUrl, providerModel.getServiceModel(), getApplicationModel());
                        }
                        this.urls.add(localUrl);
                    }
                }
            }
        }
        this.urls.add(url);
    }
    private URL exportRemote(URL url, List<URL> registryURLs, boolean register) {
        if (CollectionUtils.isNotEmpty(registryURLs)) {
            for (URL registryURL : registryURLs) {
                if (SERVICE_REGISTRY_PROTOCOL.equals(registryURL.getProtocol())) {
                    url = url.addParameterIfAbsent(SERVICE_NAME_MAPPING_KEY, "true");
                }
                
                if (LOCAL_PROTOCOL.equalsIgnoreCase(url.getProtocol())) {
                    continue;