Final fixes for CCSS data release

[gavrielm]

Description

This pp PR will track the final changes needed for releasing new CCSS database.

• Ensure columns of cohort features table follow same order as cohorts in selectCohort.values[]

Associated sjpp PR found here: https://github.com/stjude/sjpp/pull/647

Checklist

Check each task that has been performed or verified to be not applicable.

• Tests: added and/or passed unit and integration tests, or N/A
• Todos: commented or documented, or N/A
• Notable Changes: updated release.txt, prefixed a commit message with "fix:" or "feat:", added to an internal tracking document, or N/A