# Description

Previously, the configclass was overwriting a user-defined configclass
which isn't desirable. This MR adds a function to allow configclasses to
support
[`__post_init__`](https://docs.python.org/3/library/dataclasses.html#post-init-processing).

## Type of change

- Bug fix (non-breaking change which fixes an issue)

## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./orbit.sh --format`
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file

---------
Co-authored-by: Nikita Rudin <nrudin@nvidia.com>
Co-authored-by: Mayank Mittal <mittalma@leggedrobotics.com>