ChildNodeRelations of Catalog is empty even having a (or some) publish category in the catalog

Description

Precondition:

• Install FindCommerce to QuickSilver
• Run indexing job

1. Go to CatalogUI
2. Create a catalog named TestCatalog with default language: English. Then publish it
3. In TestCatalog, create a Category then publish it
4. Go to Find/overview/explore, search for TestCatalog
5. Expand to see detail TestCatalog at English
6. Search for: ChildNodeRelations
Expected: the catalog at step3 is shown in the ChildNodeRelations
Observed: the catalog at step3 isn't shown in the ChildNodeRelations

Note: This issue also happens at FindCommerce 11.0.1