Broken rendering of published note page

### A test note:

Text links are correctly rendered in the preview.
But the published version shows like this:

Deployed through docker:
```yaml
image: hackmdio/hackmd:2.4.2-cjk
environment:
- CMD_USECDN=true
- CMD_ALLOW_PDF_EXPORT=true
- CMD_DOMAIN=***
- CMD_AUTO_VERSION_CHECK=false
- CMD_ALLOW_ANONYMOUS=false
- CMD_ALLOW_ANONYMOUS_EDITS=false
- CMD_ALLOW_ANONYMOUSE_VIEWS=true
- CMD_DEFAULT_PERMISSION=private
- CMD_EMAIL=false
- CMD_ALLOW_EMAIL_REGISTER=false
- CMD_GITHUB_CLIENTID=***
- CMD_GITHUB_CLIENTSECRET=***
- CMD_PROTOCOL_USESSL=true
- CMD_ALLOW_ORIGIN=['***']
- CMD_CSP_ENABLE=true
```