Catalog feed does not include products in secondary catalog

Description

Steps to reproduce
Precondition: There is a multi-site commerce solution where products are kept in a master catalog (primarey category relation for each product links to the master catalog) and then linked to categories site-specific catalogs.

1. Configure personalization for each of the sites, including configuration of the catalog to export for each site.
2. Run the catalog feed export.

Expected: The products linked to each site specific catalog are included in the export.
Actual: The products are not included in the catalog they are linked to.