Fix the problem that the proxy in the cluster mode obtains the wrong address of broker

[gaoyf]

Which Issue(s) This PR Fixes

Fixes #6908

Brief Description

Fix the problem that the proxy in the cluster mode obtains the wrong address of broker.

How Did You Test This Change?

I have tested it.

[xdkxlk]

Please fix the problems reported by Checkstyle.

[codecov-commenter]

Codecov Report

Merging #6909 (ac5ad22) into develop (3dda55e) will increase coverage by 0.01%.
The diff coverage is 66.66%.

@@              Coverage Diff              @@
##             develop    #6909      +/-   ##
=============================================
+ Coverage      42.59%   42.61%   +0.01%     
- Complexity      9117     9130      +13     
=============================================
  Files           1128     1128              
  Lines          80129    80132       +3     
  Branches       10432    10431       -1     
=============================================
+ Hits           34131    34147      +16     
+ Misses         41716    41699      -17     
- Partials        4282     4286       +4     

Impacted Files	Coverage Δ
.../rocketmq/proxy/service/ClusterServiceManager.java	0.00% <0.00%> (ø)
...q/proxy/service/client/ClusterConsumerManager.java	0.00% <0.00%> (ø)
...ervice/sysmessage/AbstractSystemMessageSyncer.java	48.00% <66.66%> (+0.70%)	⬆️
.../proxy/service/route/ClusterTopicRouteService.java	90.00% <100.00%> (+17.27%)	⬆️
...rocketmq/proxy/service/route/MessageQueueView.java	64.70% <100.00%> (+2.20%)	⬆️
...etmq/proxy/service/sysmessage/HeartbeatSyncer.java	68.04% <100.00%> (ø)

... and 26 files with indirect coverage changes

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[xdkxlk]

LGTM