:lipstick: Fix some malli schemas

[mdbenito]

Summary

This PR fixes a couple of fields in two malli schemas, as I've found them to be in actual files.

Checklist

• [x] Choose the correct target branch; use develop by default.
• [x] Provide a brief summary of the changes introduced.
• [x] Add a detailed explanation of how to reproduce the issue and/or verify the fix, if applicable.
• [ ] Check CI passes successfully.
• [ ] Update the CHANGES.md file, referencing the related GitHub issue, if applicable.