Add multi-cursor support (#30)

* update execution of callExpressions

* tweak types to store multiple cursor ranges and hook up with artifact highlighting

* multi-cursor from 3d scene

Working but has to be capslock for the time being

* tweak pannel headers

* add issue to todo comment

src/components/BasePlanes.tsx

@@ -69,7 +69,6 @@ export const BasePlanes = () => {
       rotation: quaternion.toArray() as [number, number, number, number],
       position: [0, 0, 0],
       pathToNode,
-      isTooltip: true,
     })
 
     updateAst(modifiedAst)