Fixed failure to read provider metadata in dubbo-3.1.x

[wuwen5]

What is the purpose of the change

修复dubbo-3.1.x应用级注册时dubbo-admin读取不到提供者元数据问题

see ServiceInstancesChangedListener

3.1.x 之后 serviceUrls由原来的protocolServiceKey规则变成了接口名，InstanceRegistryCache缓存数据格式不对，最终providerService.findByService(service)取不到应用级提供者信息。

Brief changelog

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[sonarcloud[bot]]

SonarCloud Quality Gate failed.   

7 Bugs
0 Vulnerabilities
4 Security Hotspots
185 Code Smells

No Coverage information
2.8% Duplication

[sonarcloud[bot]]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
6 Code Smells

No Coverage information
0.0% Duplication