ArlenWay73

[Bug]The mathematical formula does not support label display

1

### Initial checklist - [x] I agree to follow the [code of conduct](https://github.com/Saul-Mirone/milkdown/blob/main/CODE_OF_CONDUCT.md) - [X] I searched [issues](hhttps://github.com/Saul-Mirone/milkdown/issues) and [discussions](https://github.com/Saul-Mirone/milkdown/discussions) and couldn’t find anything (or linked relevant results below) ###...

### This issue is unique. - [x] I have used the [search tool](https://github.com/ONLYOFFICE/DocumentServer/issues?q=) and did not find an issue describing my bug. ### Operating System of DocumentServer Docker ### Version...