fix: 解决多注册中心场景下，优雅上下线处理器相互覆盖的问题 (#1263)

Author: andrewshan

CHANGELOG.md

@@ -6,3 +6,4 @@
 - [feat: support lane router](https://github.com/Tencent/spring-cloud-tencent/pull/1256)
 - [feat: add lane router examples](https://github.com/Tencent/spring-cloud-tencent/pull/1260)
 - [feat:upgrade jackson version.](https://github.com/Tencent/spring-cloud-tencent/pull/1262)
+- [fix: fix the lossless provider override in multiple registries scenario](https://github.com/Tencent/spring-cloud-tencent/pull/1263)

spring-cloud-tencent-plugin-starters/spring-cloud-starter-tencent-discovery-adapter-plugin/src/main/java/com/tencent/cloud/plugin/discovery/adapter/transformer/NacosRegistrationTransformer.java

@@ -28,6 +28,11 @@
 
 public class NacosRegistrationTransformer implements RegistrationTransformer {
 
+	@Override
+	public String getRegistry() {
+		return "nacos";
+	}
+
 	@Override
 	public void transformCustom(DefaultInstance instance, Registration registration) {
 		if (registration instanceof NacosRegistration nacosRegistration) {

spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/transformer/PolarisRegistrationTransformer.java

@@ -20,6 +20,8 @@
 
 public class PolarisRegistrationTransformer implements RegistrationTransformer {
 
-
-
+	@Override
+	public String getRegistry() {
+		return "polaris";
+	}
 }

spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/transformer/RegistrationTransformer.java

@@ -32,6 +32,8 @@
  */
 public interface RegistrationTransformer {
 
+	String getRegistry();
+
 	default Instance transform(Registration registration) {
 		DefaultInstance instance = new DefaultInstance();
 		transformDefault(instance, registration);
@@ -40,6 +42,7 @@ default Instance transform(Registration registration) {
 	}
 
 	default void transformDefault(DefaultInstance instance, Registration registration) {
+		instance.setRegistry(getRegistry());
 		instance.setNamespace(MetadataContext.LOCAL_NAMESPACE);
 		instance.setService(registration.getServiceId());
 		instance.setProtocol(registration.getScheme());