[Scribus] floatable panels

[Franz Schmid]

Alexandre Prokoudine wrote:
> Hi!
> 
> Float behaviour of all three panels is quite strange.
> 
> Files panel can be aligned to any inner side of window (top, bottom, 
> left or right), while PDF and Instruments panels cannot. They just
> either hang there floating or align to top.
The PDF and Instruments panels are designed this way because they're
looking really bad when attached to the left or right side of the main
window.

Best Regards
Franz Schmid