[ISSUE #8298] optimize some code format or style

[supervate]

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Which Issue(s) This PR Fixes

Fixes #8298

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 55.55556% with 28 lines in your changes missing coverage. Please review.

Project coverage is 42.88%. Comparing base (38c56cd) to head (d613974).

Files	Patch %	Lines
...org/apache/rocketmq/broker/out/BrokerOuterAPI.java	15.38%	11 Missing :warning:
...c/main/java/org/apache/rocketmq/common/MixAll.java	22.22%	6 Missing and 1 partial :warning:
...che/rocketmq/acl/plain/PlainPermissionManager.java	86.66%	0 Missing and 4 partials :warning:
...ketmq/proxy/service/route/ProxyTopicRouteData.java	50.00%	4 Missing :warning:
...rocketmq/common/config/AbstractRocksDBStorage.java	0.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #8299   +/-   ##
==========================================
  Coverage      42.87%   42.88%           
- Complexity     10399    10408    +9     
==========================================
  Files           1274     1274           
  Lines          88943    88934    -9     
  Branches       11438    11433    -5     
==========================================
  Hits           38137    38137           
+ Misses         46093    46091    -2     
+ Partials        4713     4706    -7     

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[RongtongJin]

LGTM～

[ShannonDing]

link #8262