Pull request type

• Code changes (bugfix, features)

Checklist

• Tests for the changes have been added (if needed)
• Lint (make format) has passed locally
• All tests (pytest tests -m slow --runslow) have passed locally
• CHANGELOG.md has been updated (if relevant)

Current behavior

sweep length and sweep_angle were erroneously not included in the minimal encoding of TrapezoidalFins, causing fins that customize these parameters have incorrect decoding.

New behavior

The parameters were added to the encoding and are handled on decode. Tests were introduced to validate the desired values.

Breaking change

• Yes
• No