message: Fix bug where get graphItemLite always returns undefined
diff: @@ -255,5 +255,5 @@ export async function getGraphItemLite(
  };
  graphItemLiteCache.add(cacheKey, valueGenerator);
  }
  - return graphItemLiteCache[cacheKey] as GraphItemLite;
  + return graphItemLiteCache.get(cacheKey);
  }
  