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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: 3.0.7
* Operating System version: Mac OS
* Java version: 8

### Steps to reproduce this issue

1. set dubbo.protocol.port=30880
2. define dubbo service to export
3. create an @Bean to invoke dubbo reference
4. start up spring boot application
5. service export port is 30880, metadata service export port is 20880

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

### Expected Behavior

metadata service and instance export port is 30880

### Actual Behavior

metadata service and instance export port is 20880

### Issue code debug
![image](https://user-images.githubusercontent.com/7418602/169072305-1b0c83ab-0407-4bc0-aa1a-387c475d82f0.png)
![image](https://user-images.githubusercontent.com/7418602/169070767-406c3daa-ef0b-4b1a-89ef-44fb1cbcfa4f.png)
![image](https://user-images.githubusercontent.com/7418602/169071049-4607808e-9958-4f8d-888c-5f05135e2fbb.png)
![image](https://user-images.githubusercontent.com/7418602/169070937-8ac15446-5947-4a1f-8a2e-eba5c55e579f.png)


public void test() {
        DubboBootstrap providerBootstrap = DubboBootstrap.newInstance();
        ServiceConfig<DemoService> serviceConfig = new ServiceConfig<>();
        serviceConfig.setInterface(DemoService.class);
        serviceConfig.setRef(new DemoServiceImpl());
        serviceConfig.setDelay(1000);
        ApplicationConfig applicationConfig = new ApplicationConfig("MetadataServiceURLParamsMetadataCustomizerTest");
        applicationConfig.setMetadataType(DEFAULT_METADATA_STORAGE_TYPE);
        providerBootstrap
            .application(applicationConfig)
            .registry(new RegistryConfig("N/A"))
            .protocol(new ProtocolConfig("dubbo", 2002))
            .service(serviceConfig);
        
        providerBootstrap.start();
        ApplicationModel applicationModel = providerBootstrap.getApplicationModel();
        MetadataServiceURLParamsMetadataCustomizer customizer = new MetadataServiceURLParamsMetadataCustomizer();
        customizer.customize(instance, applicationModel);
        String val = instance.getMetadata().get(METADATA_SERVICE_URL_PARAMS_PROPERTY_NAME);
        Assertions.assertNotNull(val);
        Map<String, String> map = JsonUtils.getJson().toJavaObject(val, Map.class);
        Assertions.assertEquals(map.get(PORT_KEY), String.valueOf(metadataServiceURL.getPort()));
        Assertions.assertEquals(map.get(PROTOCOL_KEY), metadataServiceURL.getProtocol());
        Assertions.assertEquals(map.get(VERSION_KEY), metadataServiceURL.getVersion());
        Assertions.assertFalse(map.containsKey(TIMESTAMP_KEY));
        Assertions.assertFalse(map.containsKey(GROUP_KEY));
        Assertions.assertFalse(map.containsKey(APPLICATION_KEY));
    }
}