Is this a new bug?

Hi! With new 333 and 334 versions came a new problem: can't close animation editor. All was working fine until v333.

Here is video and c3p file:

https://drive.google.com/file/d/1XDKgoS7TaGirua6SI6fvC0-DT2YcX_OK/view?usp=sharing

Chrome version 111.0.5563.65, latest, official 64-bit

Does somebody have same symptoms? Just to make some conclusions until bug-report