message: Immutable-friendly extended ICH
diff: @@ -452,7 +452,10 @@ export function makeItem(
  }
  if (extendedICH[createdItem.hash]) {
  - createdItem.itemCategoryHashes.push(extendedICH[createdItem.hash]);
  + createdItem.itemCategoryHashes = [
  + ...createdItem.itemCategoryHashes,
  + extendedICH[createdItem.hash],
  + ];
  }
  try {
  