R3BFrsSci Mapped level small changes

[audreychatillon]

Describe your proposal.

Mention any issue this PR is resolved or is related to.

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Checklist:

• [ ] Rebased against dev branch
• [ ] My name is in the resp. CONTRIBUTORS/AUTHORS file
• [ ] Followed the pull request guidlines and the Git workflow
• [ ] Followed the seven rules of great commit messages

[audreychatillon]

PR on the 202402_fast branch. I will copy the branch and rebase it also on the dev branch and do a PR for the dev branch