During host provisioning, the latest state of facts are not uploaded.

There are 2 sections in which it is prevented that during host provisioning (= the host is in build state) that facts are imported:

https://github.com/theforeman/foreman/blob/develop/app/services/host_fact_importer.rb#L18
https://github.com/Katello/katello/blob/master/app/models/katello/host/subscription_facet.rb#L213