fix: adjust types after using the new sdk

[martin-trajanovski]

Description

This PR contains two major changes:

1. Removal of the old auto-generated sdk
2. Adjustments of the types according the new sdk

Motivation

The old sdk was generated towards the old loopback api and it wasn't relevant anymore. The new one gives better feedback and reflects the changes from the backend.

Changes:

Please provide a list of the changes implemented by this PR

• most important changes are that we remove a lot of code that was obsolete in the codebase and it is replaced by smaller but more relevant chunks

Documentation

• it will be updated in the next PR where we auto-generate the sdk

official documentation info

If you have updated the official documentation, please provide PR # and URL of the pages where the updates are included

Backend version

• Does it require a specific version of the backend
• which version of the backend is required:

[nitrosx]

Code looks good.
Testing out locally on my machine