Project UI absnormal

### Description

1. 无工单情况异常折叠


2. 绿色背景列不显示工单标题



### Screenshots

![Image](https://github.com/user-attachments/assets/c3c230c1-a37d-48de-b5de-0a6760587573)

![Image](https://github.com/user-attachments/assets/04795ccd-f88a-45ac-94f7-029305f31a28)

### Gitea Version

1.24.0

### Can you reproduce the bug on the Gitea demo site?

Yes

### Operating System

ubuntu24.04

### Browser Version

edge