[BACKEND FEDERATION] response to a Hubzilla post adds non existant user mention

[wakest]

here is the response:
https://app.wafrn.net/fediverse/post/0670bb19-b0ed-4a73-8309-b80ab71c0629

I clicked reply and it added @[email protected] as one of the people I was responding to even though this user doesn't exist in the post I am replying to

[gabboman]

OH NOT AGAIN. Thank you, I will check