Problem with the toolbar and bookmarks in the browser

I am using Mozilla Firefox Developers Edition for Windows 11. Recently I have encountered a problem where my bookmarks are constantly disappearing from the panel and toolbar elements are changing places (like the arrows or the reload button). I read the support and came across three articles about problems with this. The first two were xulstore and Places.sqlite files, which I deleted and followed the instructions in the article, reset the browser settings, but nothing happened. The third article was about the profile, I went in and saw that I had two profiles, which I deleted and created a new one, completely previously removed the browser from the device. But again, nothing happened. I think this started when I started using the built-in Windows 11 workspace feature (multiple desktops, I opened two browsers at the same time). It was after this that my bookmarks and toolbar changed in the pre-login in the application. I would appreciate help with this issue.