HowarLi

fix bug: switch between stream_rpc and baidu_std

2

### What problem does this PR solve? Issue Number: https://github.com/apache/brpc/issues/2677 Problem Summary: under `baidu_std`, server can not parse message when normal PRC and stream RPC arrive simultaneously ### What is...

**Describe the bug (描述bug)** 当同一个brpc::Server中同时存在Stream和普通 RPC，普通RPC将无法解析，报错为： ``` E20240703 08:42:11.077316 1409359 input_messenger.cpp:123] Fail to parse response from 127.0.0.1:12306 by streaming_rpc at client-side W20240703 08:42:11.077428 1409359 input_messenger.cpp:249] Close Socket{id=2 fd=8 addr=127.0.0.1:12306:53862} (0x631000014d00):...