message: fix possible undefined
diff: @@ -195,7 +195,7 @@ export function makeItem(
  }
  ): DimItem | null {
  const itemDef = defs.InventoryItem.get(item.itemHash);
  - const instanceDef: Partial<DestinyItemInstanceComponent> =
  + const instanceDef: Partial<DestinyItemInstanceComponent> | undefined =
  item.itemInstanceId && itemComponents?.instances.data
  ? itemComponents.instances.data[item.itemInstanceId]
  : {};
  @@ -259,7 +259,7 @@ export function makeItem(
  // https://github.com/Bungie-net/api/issues/134, class items had a primary stat
  // https://github.com/Bungie-net/api/issues/1079, engrams had a primary stat
  const primaryStat: DimItem['primStat'] =
  - !instanceDef.primaryStat ||
  + !instanceDef?.primaryStat ||
  itemDef.stats?.disablePrimaryStatDisplay ||
  itemType === 'Class' ||
  isEngram
  