Fix booleans in from new MultiPart Generators

[bear-is-asleep]

Description

Fix booleans in from new MultiPart Generators

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$${\color{red}\bf{\textrm{IMPORTANT UPDATE June 22nd 2025:}}}$$ If you are making a PR which is intended as a patch for the CURRENT production (which started in Spring 2025), you must make two PRs: one for develop and one for the production/v10_06_00 branch.

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Checklist

• Added at least 1 label from available labels.
• Assigned at least 1 reviewer under Reviewers,
• Assigned all contributers including yourself under Assignees
• Linked any relevant issues under Developement
• [na] Does this PR affect CAF data format? If so, please assign a CAF maintainer (PetrilloAtWork or JosiePaton) as additional reviewer.
• [na] Does this affect the standard workflow?
• Is this PR a patch for the ongoing production? If so, separate PR must also be made for production/v10_06_00 branch!

Relevant PR links (optional)

Dependent on LArSoft/larsim#162, then SBNSoftware/sbncode#594. Once these are merged you can merge this. For now, I will keep as a draft