feature: TSG-21852 service_function_status support fieldstat4

platform/src/sf_metrics.cpp

@@ -94,7 +94,7 @@ static void *fs2kafka_thread_cycle(void *arg)
             free(ptr);
         }
 
-        usleep(handle->cfg.output_fs_interval_ms * 1000);
+        usleep(handle->cfg.output_kafka_interval_ms * 1000);
     }
     ATOMIC_SET(&handle->thr_is_runing, 0);