fixed implementation of `play` to use _editingSample instead of _currentSample
fixed implementation of `play` to use _editingSample instead of _currentSample

paullucas/lissajous-offline,paullucas/lissajous-offline,kylestetz/lissajous,furey789/lissajous,kylestetz/lissajous,furey789/lissajous