So, the addon has been updated once again and now (and finally) have support to profiles, also options panel can now be opened while in combat without the annoying error "script ran too long".
I got it .
A window is supposed to snap within the window with the previous number, for example, dragging the window #4 makes the window #3 highlight, dropping #4 near #3 should make the snap, if this is not happening, probably something in details isn't working correctly.