fix: set nacos group for serverConnectorConfig metadata

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/extend/nacos/NacosConfigModifier.java

@@ -59,6 +59,10 @@ public class NacosConfigModifier implements PolarisConfigModifier {
 	 * nacos namespace.
 	 */
 	public static final String NAMESPACE = "namespace";
+	/**
+	 * nacos group.
+	 */
+	public static final String GROUP = "group";
 	private static final Logger LOGGER = LoggerFactory.getLogger(NacosConfigModifier.class);
 	private static final String ID = "nacos";
 	private final NacosContextProperties nacosContextProperties;
@@ -123,6 +127,10 @@ public class NacosConfigModifier implements PolarisConfigModifier {
 			metadata.put(NAMESPACE, nacosContextProperties.getNamespace());
 		}
 
+		if (StringUtils.isNotBlank(nacosContextProperties.getGroup())) {
+			metadata.put(GROUP, nacosContextProperties.getGroup());
+		}
+
 		configuration.getGlobal().getServerConnectors().add(serverConnectorConfig);
 		DiscoveryConfigImpl discoveryConfig = new DiscoveryConfigImpl();
 		discoveryConfig.setServerConnectorId(ID);

spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/extend/nacos/NacosContextPropertiesTest.java

@@ -87,6 +87,7 @@ public class NacosContextPropertiesTest {
 		assertThat(metadata.get(NacosConfigModifier.PASSWORD)).isEqualTo(nacosContextProperties.getPassword());
 		assertThat(metadata.get(NacosConfigModifier.CONTEXT_PATH)).isEqualTo(nacosContextProperties.getContextPath());
 		assertThat(metadata.get(NacosConfigModifier.NAMESPACE)).isEqualTo(nacosContextProperties.getNamespace());
+		assertThat(metadata.get(NacosConfigModifier.GROUP)).isEqualTo(nacosContextProperties.getGroup());
 	}
 
 	@SpringBootApplication