don't use OSX-Platform DragSource
don't use OSX-Platform DragSource

this should be used when the DragSource does work with any object.
For now only strings and filenames work.

jkoritzinsky/Avalonia,wieslawsoltes/Perspex,jkoritzinsky/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,Perspex/Perspex,jkoritzinsky/Avalonia,MrDaedra/Avalonia,MrDaedra/Avalonia,jkoritzinsky/Avalonia,AvaloniaUI/Avalonia,AvaloniaUI/Avalonia,jkoritzinsky/Avalonia,SuperJMN/Avalonia,wieslawsoltes/Perspex,AvaloniaUI/Avalonia,grokys/Perspex,jkoritzinsky/Avalonia,AvaloniaUI/Avalonia,SuperJMN/Avalonia,wieslawsoltes/Perspex,jkoritzinsky/Perspex,grokys/Perspex,AvaloniaUI/Avalonia,jkoritzinsky/Avalonia,AvaloniaUI/Avalonia,wieslawsoltes/Perspex,AvaloniaUI/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,akrisiun/Perspex,wieslawsoltes/Perspex,wieslawsoltes/Perspex,Perspex/Perspex,wieslawsoltes/Perspex