Bug with getting stuck in textures, molten halls, blacksmith.(3rd act)

This bug occurs if you kill the boss at the very end of the arena. It is not critical, loot can be picked up, the teleporter in the shelter is working.

https://youtu.be/Tl2gw-nLwb4

PS
Also, the boss mission is not marked as completed.

https://ibb.co/qMbkWzCq

PSS
The patch version is current at the time of publication.