Catalog feed category outlines can be incorrect in multi-catalog scenario

Description

Steps to reproduce
Precondition: There is a multi-site commerce solution where products are kept in a master catalog (primary 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 category outline for each product refers only to categories in the exported catalog. If the product is linked to multiple categories in the same catalog, all these outlines are included.
Actual: All outlines in all catalogs are included.