[BUG] The read message triggered an error callback type

### OpenIM Server Version

v3.8.3-patch.12

### Operating System and CPU Architecture

Linux (AMD)

### Deployment Method

Source Code Deployment

### Bug Description and Steps to Reproduce

已读消息触发了callbackAfterSendSingleMsgCommand，没有触发callbackAfterSingleMsgReadCommand

此外文档中的MessageContentType 缺少2200的说明

### Screenshots Link

_No response_