Replies stripping @mention

[phenomlab]

Not sure if anyone else has noticed this, but on response to a thread, the @ symbol is being stripped. Can't replicate this on my own forum, but certainly happening here.

[baris]

https://github.com/NodeBB/NodeBB/issues/10302

[Aleksei]

@phenomlab it happens on my forum, as well as here.

[baris]

This is should be fixed on master.