I'm seeing something similar:
Bringing up the snippet toolbar results in a lot of dancing:
1) an empty floating window displays
2) the toolbar shows on the left edge of my main monitor, shoving some application windows over if the toolbar would cover any portion of them
3) the toolbar shows briefly on the right edge of my secondary monitor, also moving or resizing windows that would be covered in part otherwise
4) then the toolbar shows up where I've set it up (on the right of my main monitor) and disappears from the secondary monitor
So, all in all, the toolbar shows up in at least 3 places (all but the last of which are temporary) moving & resizing windows as it goes.
Also the toolbar doesn't seem to remember that it was 'unpinned' which I think it should.
Additionally, can we get a 'floating' toolbar option that doesn't move/resize my application windows - just displays on top of whatever window might be there? It would also be nice if the floating toolbar could be undocked from a screen edge.