chore(hesai_decoders): implement clang-tidy fixes (mostly style-related)

[mojomex]

PR Type

• Improvement

Description

This PR implements some of the suggestions and fixes from clang-tidy, in order to reduce the errors and warnings shown in the IDE. Most of these are pure style fixes.

This PR targets only hesai decoders for now.

Review Procedure

No elaborate review necessary.

Pre-Review Checklist for the PR Author

PR Author should check the checkboxes below when creating the PR.

• Assign PR to reviewer

Checklist for the PR Reviewer

Reviewers should check the checkboxes below before approval.

• Commits are properly organized and messages are according to the guideline
• (Optional) Unit tests have been written for new behavior
• PR title describes the changes

Post-Review Checklist for the PR Author

PR Author should check the checkboxes below before merging.

• All open points are addressed and tracked via issues or tickets

CI Checks

• Build and test for PR: Required to pass before the merge.