message: fixes npe on topology
diff: @@ -72,7 +72,7 @@ const CatalogServiceProvider: React.FC<CatalogServiceProviderProps> = ({
  catalogProviderExtensions.map((e) =>
  catalogFilterExtensions
  .filter((fe) => fe.properties.type === e.properties.type)
  - .reduce((acc, ext) => acc.filter(ext.properties.filter), extItemsMap[e.uid]),
  + .reduce((acc, ext) => acc.filter(ext.properties.filter), extItemsMap[e.uid] ?? []),
  ),
  ).reduce((acc, item) => {
  if (!item) return acc;
  