Vlad Of course, the behaviour is still the same as in the first post.
Safari without cursor over the menu bar:
Orion without cursor over the menu bar:
When cursor hovers over the menu bar, the Orion menu as well as menu bar icons on the right side become visible. However, expected behaviour is that the menu bar stays visible permanently, like in Safari and every other desktop app.
Here is the menu bar setting in System Settings: