Refactor robotic arm and conveyor action handlers for improved functionality and performance; add despawn handler and update state management

app/src/modules/simulation/materials/instances/instance/materialInstance.tsx

@@ -84,7 +84,6 @@ function MaterialInstance({ material }: { material: MaterialSchema }) {
     }
 
     useEffect(() => {
-        // console.log('material: ', material);
         if (material.current && material.next) {
             // console.log('current: ', material.current.pointUuid);
             // console.log('next: ', material.next.pointUuid);