feat: add closeNoResetBuffer method for standard network

[Duslia]

What type of PR is this?

feat

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在标准库上添加 CloseNoResetBuffer 方法

(Optional) More detail description for this PR(en: English/zh: Chinese).

en: add closeNoResetBuffer method for standard network
zh: 在标准库上添加 CloseNoResetBuffer 方法\

[codecov]

Codecov Report

Base: 59.17% // Head: 59.23% // Increases project coverage by +0.05% 🎉

Coverage data is based on head (d479bf5) compared to base (ea2569a).
Patch coverage: 0.00% of modified lines in pull request are covered.

❗ Current head d479bf5 differs from pull request most recent head 49e9f09. Consider uploading reports for the commit 49e9f09 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #265      +/-   ##
===========================================
+ Coverage    59.17%   59.23%   +0.05%     
===========================================
  Files           79       79              
  Lines         8150     8149       -1     
===========================================
+ Hits          4823     4827       +4     
+ Misses        2972     2967       -5     
  Partials       355      355              

Impacted Files	Coverage Δ
pkg/network/standard/connection.go	67.32% <0.00%> (-0.45%)	⬇️
pkg/protocol/header.go	55.95% <ø> (+0.22%)	⬆️
pkg/common/timer/timer.go	80.95% <0.00%> (+19.04%)	⬆️

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