**Related issue:** Resolves#40076
This clears out the enrollment from migration status from the
`nano_enrollment` table if the device is going through a fresh
enrollment (aka not from an mdm migration)
# Checklist for submitter
- [ ] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
- [x] Added/updated automated tests
- [ ] QA'd all new/changed functionality manually
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Co-authored-by: Magnus Jensen <magnus@fleetdm.com>