Fix the uuid field in GRPCConfigWatcherRegister is not updated. (#6115)

CHANGES.md

@@ -40,6 +40,7 @@ Release Notes.
 * Add JavaScript component ID.
 * Fix CVE of UninstrumentedGateways in Dynamic Configuration activation.
 * Improve query performance in storage-influxdb-plugin.
+* Fix the uuid field in GRPCConfigWatcherRegister is not updated.
 
 #### UI
 * Fix un-removed tags in trace query.

oap-server/server-configuration/grpc-configuration-sync/src/main/java/org/apache/skywalking/oap/server/configuration/grpc/GRPCConfigWatcherRegister.java

@@ -67,6 +67,7 @@ public class GRPCConfigWatcherRegister extends ConfigWatcherRegister {
                     table.add(new ConfigTable.ConfigItem(name, config.getValue()));
                 }
             });
+            this.uuid = responseUuid;
         } catch (Exception e) {
             LOGGER.error("Remote config center [" + settings + "] is not available.", e);
         }