fix(types): satisfy strict tsc for production build (deploy unblock)

src/utils/map/mapInstanceTransform.ts

@@ -3,10 +3,15 @@ import type { MapNode, MapNodeInstanceTransform } from "@/types/map/mapScene";
 export function mapNodeToInstanceTransform(
   node: MapNode,
 ): MapNodeInstanceTransform {
-  return {
-    id: node.id,
+  const transform: MapNodeInstanceTransform = {
     position: node.position,
     rotation: node.rotation,
     scale: node.scale,
   };
+
+  if (node.id !== undefined) {
+    transform.id = node.id;
+  }
+
+  return transform;
 }