fix: stream client not close the conn when ConnectionClose is true

[wzekin]

What type of PR is this?

fix

Check the PR title.

• This PR title match the format: <type>(optional scope): <description>
• The description of this PR title is user-oriented and clear enough for others to understand.

(Optional) Translate the PR title into Chinese.

client 在流式场景下，当 ConnectionClose 为 true 的时候，没有关闭链接

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

en:

1. client uses streaming to receive resp, and is set to Connection: close
2. when the bodyStream is closed, the client does not determine if the connection is currently closed, but simply reuses the connection
3. the connection is closed by the server because of Connection: close
4. when the client sends a second request using this connection, it will report an error directly because the connection is closed

zh(optional): 存在这样一个场景：

1. client 使用流式接收 resp，且被设置了 Connection: close
2. 当 bodyStream 被关闭的时候，client 不会判断当前是否已经关闭了连接，而是直接将连接复用
3. 连接因为 Connection: close 被 server 关闭
4. 当 client 使用这个连接发送第二个请求的时候，会因为连接被关闭直接报错

Which issue(s) this PR fixes:

[welkeyever]

LGTM

[codecov]

Codecov Report

Patch coverage: 42.85% and project coverage change: -0.03 ⚠️

Comparison is base (be62800) 75.72% compared to head (b19384c) 75.70%.

❗ Current head b19384c differs from pull request most recent head 5fec78f. Consider uploading reports for the commit 5fec78f to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #702      +/-   ##
===========================================
- Coverage    75.72%   75.70%   -0.03%     
===========================================
  Files           96       96              
  Lines         9451     9455       +4     
===========================================
+ Hits          7157     7158       +1     
- Misses        1848     1849       +1     
- Partials       446      448       +2     

Impacted Files	Coverage Δ
pkg/protocol/http1/client.go	59.59% <42.85%> (-0.26%)	⬇️

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