Currently all prebuilds are owned by a new "pseudo-user" prebuilds.

We currently only make this user a member of the default org.

Customers with multiple orgs will expect for prebuilds to be scoped to the org which owns the template, so the prebuilds user will need to be a member of those orgs.

We may need to build this into our reconciliation loop, or add a hook in the template import process to make the prebuilds user a member of the org which owns the template in question.