Chat mention notifications appear as blank tabs after being demoted to TL0

[JammyDodger]

I’m not sure if this is exactly the same, but does seem similar to this bug report:

Notification issues

Hello, I noticed some issues with notifications. Empty notifications When I disable the chat the chat related notifications will be hidden but it leave the empty placeholder on user menu. On notifications page the notifications still appears. I have some chat notification on the top. [Screenshot 2022-11-26 at 7.52.58] If I disable the chat the chat related notifications will be empty. [Screenshot 2022-11-26 at 8.31.52] Broken notifications page Unfortunately I have no repro for this. I…

I’ll cross-link it here for extra context.