events: world panning via shift press + mouse wheel (no matter if mouse is over a morph that itself can be scrolled)
events: world panning via shift press + mouse wheel (no matter if mouse is over a morph that itself can be scrolled)

LivelyKernel/LivelyKernel,pascience/LivelyKernel,LivelyKernel/LivelyKernel,NikolaySuslov/LivelyKernel,NikolaySuslov/LivelyKernel,pascience/LivelyKernel,LivelyKernel/LivelyKernel,NikolaySuslov/LivelyKernel,pascience/LivelyKernel