This is extremely strange, I understand, BUT
On a new project, completely clean, this bug manifests itself in the same way!
https://drive.google.com/file/d/1cfG8i5pfhRV0A_b8Sfd3A0SbZpC6ITsi/view?usp=sharing
The only difference between you and me is the Unity version. You used 2021.3.0, and I...