map: permanently map middle-click dragging to pan
map: permanently map middle-click dragging to pan

parksandwildlife/gokart,wilsonc86/gokart,wilsonc86/gokart,rockychen-dpaw/gokart,parksandwildlife/gokart,rockychen-dpaw/gokart,rockychen-dpaw/gokart,parksandwildlife/gokart,rockychen-dpaw/gokart,parksandwildlife/gokart,wilsonc86/gokart