3194: Fix 3113 r=mergify[bot] a=Diman0
## What type of PR?
bug-fix
## What does this PR do?
Fixes swaggerui documentation of all RESTful api end points. The API documentation should now be valid for each endpoint.
### Related issue(s)
- close#3113
## Prerequisites
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.
- [x] In case of feature or enhancement: documentation updated accordingly
- [x] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/workflow.html#changelog) entry file.
Co-authored-by: Dimitri Huisman <diman@huisman.xyz>
