do not sort twice

[maurerle]

Pull Request

Related Issue

Closes #[issue number] (if applicable)

Description

Do not sort orderbooks twice

Fixup for #388

Checklist

Please check all applicable items:

• [ ] Code changes are sufficiently documented (docstrings, inline comments, doc folder updates)
• [ ] New unit tests added for new features or bug fixes
• [ ] Existing tests pass with the changes
• [ ] Reinforcement learning examples are operational (for DRL-related changes)
• [ ] Code tested with both local and Docker databases
• [ ] Code follows project style guidelines and best practices
• [ ] Changes are backwards compatible, or deprecation notices added
• [ ] New dependencies added to pyproject.toml
• [ ] A note for the release notes doc/release_notes.rst of the upcoming release is included
• [ ] Consent to release this PR's code under the GNU Affero General Public License v3.0

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.

Please upload report for BASE (main@b6b956a). Learn more about missing BASE report.

Files	Patch %	Lines
assume/markets/clearing_algorithms/contracts.py	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #389 +/- ## ======================================= Coverage ? 78.20% ======================================= Files ? 44 Lines ? 5181 Branches ? 0 ======================================= Hits ? 4052 Misses ? 1129 Partials ? 0 ``` | [Flag](https://app.codecov.io/gh/assume-framework/assume/pull/389/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=assume-framework) | Coverage Δ | | |---|---|---| | [pytest](https://app.codecov.io/gh/assume-framework/assume/pull/389/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=assume-framework) | `78.20% <50.00%> (?)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=assume-framework#carryforward-flags-in-the-pull-request-comment) to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.