refactor to clearly separate org store and org user info

[gordonhirsch]

WHY are these changes introduced?

Fixes #0000

WHAT is this pull request doing?

How to test your changes?

Post-release steps

Measuring impact

How do we know this change was effective? Please choose one:

• [ ] n/a - this doesn't need measurement, e.g. a linting rule or a bug-fix
• [ ] Existing analytics will cater for this addition
• [ ] PR includes analytics changes to measure impact

Checklist

• [ ] I've considered possible cross-platform impacts (Mac, Linux, Windows)
• [ ] I've considered possible documentation changes

[gordonhirsch]

[!WARNING] This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite. Learn more

• #5605 👈 (View in Graphite)
• #5596
• #5597
• #5531
• #5530
• #5529
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[github-actions[bot]]

This PR seems inactive. If it's still relevant, please add a comment saying so. Otherwise, take no action. → If there's no activity within a week, then a bot will automatically close this. Thanks for helping to improve Shopify's dev tooling and experience.