Heiko Rothkranz

### Please confirm if bug report does NOT exists already ? - [X] I confirm there is no existing issue for this ### Steps to reproduce ? After upgrading from...

Improve TypeScript API wrt relations

1

**Is your feature request related to a problem? Please describe.** From the [Slack discussion](https://vendure-ecommerce.slack.com/archives/CKYMF0SU8/p1644267216445819): 1. It's not obvious which relations are loaded for entities returned by Vendure's services, e.g.: `OrderService.findOne():...