"Recruit the Ezomytes" quest bugged. Bosses not engaging

Hello,
I find myself at the end of the first interlude, in the boss room. Thane is playing piano and the Lady is dancing. The camera zoomes and everything when I get there, but they keep playing and ignoring me.

I tried resetting the istance, logging out and restarting and nothing changes, I am stuck without being able to fight the bosses.

Thank you.

https://imgur.com/a/gvfUyqV

Bug Report ID: #2464425749

Thane and Lady not engaging in combat. Just dancing and can't start the fight.