[BUG] How to configure message classification entries for Jiguang Push

### OpenIM Server Version

3.8.3

### Operating System and CPU Architecture

Linux (AMD)

### Deployment Method

Source Code Deployment

### Bug Description and Steps to Reproduce

<img width="1962" height="754" alt="Image" src="https://github.com/user-attachments/assets/97d2e3e8-e7c2-4eea-8a9d-1b4a47550782" />

### Screenshots Link

_No response_