Reimplement fix originally in #2199

[heath-freenome]

Reasons for making this change

• Replicated the fix made in fix: MultiSchema getting incorrect id in arrays #2199 since it is a breaking change and we are doing a bunch of them
• Also updated the CHANGELOG.md

Checklist

• I'm updating documentation
  • I've checked the rendering of the Markdown text I've added
• I'm adding or updating code
  • I've added and/or updated tests. I've run npm run test:update to update snapshots, if needed.
  • I've updated docs if needed
  • I've updated the changelog with a description of the PR
• I'm adding a new feature
  • I've updated the playground with an example use of the feature