feat(log): Prevent log.Helper sprintf from running early #3209

[sendya]

Description (what this PR does / why we need it):

log 在在开发中会使用很多 Debug / Debugf 日志，在生产服务中可能会配置为 Info 级以上
但 log.Helper 函数中会在进入

h.logger.Log(LevelDebug, h.msgKey, h.sprintf...  )

提前运行了 fmt.Sprint、fmt.Sprintf 在较高并发的情况下，带来了非常高的字符串拼接耗损。

Which issue(s) this PR fixes (resolves / be part of):

fixes/resolves #3209

Other special notes for the reviewers:

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 40.00000% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 84.45%. Comparing base (50cad79) to head (38452dc).

❗ Current head 38452dc differs from pull request most recent head 8a92d3a. Consider uploading reports for the commit 8a92d3a to get more accurate results

Files	Patch %	Lines
log/helper.go	40.00%	6 Missing and 6 partials ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3221      +/-   ##
==========================================
- Coverage   84.72%   84.45%   -0.28%     
==========================================
  Files          88       88              
  Lines        3993     4013      +20     
==========================================
+ Hits         3383     3389       +6     
- Misses        438      446       +8     
- Partials      172      178       +6     

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