callout语法的折叠展开bug

<img width="1530" height="314" alt="Image" src="https://github.com/user-attachments/assets/605f40b0-4da5-443a-9dd3-7edc51082bf7" />

如图，插件并不支持警示框的收起和展开语法`> [!caution]+ "discription"`


对于`> [!CAUTION]- "discription"`，虽然支持了展开，但是在数学公式、链接等上面不支持

<img width="1619" height="826" alt="Image" src="https://github.com/user-attachments/assets/1888dcaf-9761-44b2-8ef4-e670fa765d0f" />