Switches to zoom mode when releasing altkey on translate mode
Switches to zoom mode when releasing altkey on translate mode

grimor/sculptgl,beni55/sculptgl,nonconforme/sculptgl,stephomi/sculptgl,grimor/sculptgl,stephomi/sculptgl,ytiurin/sculptgl,beni55/sculptgl,anteaterho/sculptgl,nonconforme/sculptgl,anteaterho/sculptgl,ytiurin/sculptgl