refactor(s3stream): standardize the code style

[ShadowySpirits]

No description provided.

[codecov]

Codecov Report

Attention: 7 lines in your changes are missing coverage. Please review.

Comparison is base (1a1f5ba) 54.98% compared to head (51a29b3) 54.99%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #864      +/-   ##
============================================
+ Coverage     54.98%   54.99%   +0.01%     
- Complexity     1244     1245       +1     
============================================
  Files           133      133              
  Lines          8535     8535              
  Branches        789      789              
============================================
+ Hits           4693     4694       +1     
  Misses         3426     3426              
+ Partials        416      415       -1     

Components	Coverage Δ
RocketMQ Broker	∅ <ø> (∅)
RocketMQ Common	5.80% <ø> (ø)
RocketMQ Controller	54.58% <ø> (ø)
RocketMQ Proxy	37.28% <ø> (+0.10%)	⬆️
RocketMQ Store	73.57% <0.00%> (-0.05%)	⬇️
RocketMQ Stream	∅ <ø> (∅)
RocketMQ Metadata	35.44% <ø> (ø)

Files	Coverage Δ
.../java/com/automq/rocketmq/store/S3StreamStore.java	0.00% <0.00%> (ø)
...ava/com/automq/rocketmq/store/S3StreamManager.java	0.00% <0.00%> (ø)

... and 2 files with indirect coverage changes