Polish cluster flow control demo: add port in Nacos address (#1655)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

sentinel-demo/sentinel-demo-cluster/sentinel-demo-cluster-embedded/src/main/java/com/alibaba/csp/sentinel/demo/cluster/init/DemoClusterInitFunc.java

@@ -49,7 +49,7 @@ public class DemoClusterInitFunc implements InitFunc {
 
     private static final String APP_NAME = AppNameUtil.getAppName();
 
-    private final String remoteAddress = "localhost";
+    private final String remoteAddress = "localhost:8848";
     private final String groupId = "SENTINEL_GROUP";
 
     private final String flowDataId = APP_NAME + DemoConstants.FLOW_POSTFIX;

sentinel-demo/sentinel-demo-cluster/sentinel-demo-cluster-server-alone/src/main/java/com/alibaba/csp/sentinel/demo/cluster/init/DemoClusterServerInitFunc.java

@@ -36,7 +36,7 @@ import com.alibaba.fastjson.TypeReference;
  */
 public class DemoClusterServerInitFunc implements InitFunc {
 
-    private final String remoteAddress = "localhost";
+    private final String remoteAddress = "localhost:8848";
     private final String groupId = "SENTINEL_GROUP";
     private final String namespaceSetDataId = "cluster-server-namespace-set";
     private final String serverTransportDataId = "cluster-server-transport-config";