fix(forest): 修复加入zookeeper作为备选注册中心后无法使用负载均衡组件

LoadBalance 默认会先夹在 Zookeeper 作为注册中心，导致 Eureka 无法正常使用，如果要使用 Eureka，就要把整个 Zookeeper 的自动加载关掉

service-configuration/src/main/resources/application-discovery.yml

@@ -1,12 +1,13 @@
 spring:
   cloud:
     zookeeper:
+      enabled: false
+      connect-string: 127.0.0.1:2181
       discovery:
-        enabled: false
+        enabled: ${spring.cloud.zookeeper.enabled}
         root: /hudi-services
         instance-host: localhost
         instance-id: ${spring.application.name}-${spring.cloud.zookeeper.discovery.instance-host}-${random.uuid}-${datetime:19700101}
-      connect-string: 127.0.0.1:2181
 eureka:
   instance:
     hostname: localhost