Importing a internal CSV that has single user information within causes it to error when selecting that field.

[ConorWebb96]

Checklist

• I have searched budibase discussions and github issues to check if my issue already exists

Hosting

• Self
  • Method: docker compose
  • Budibase Version: 2.29.2
  • App Version: 2.29.2

Describe the bug
Whenever trying to import an internal CSV export. When mapping the single user column after uploading the file and error is thrown and you can no longer proceed.

To Reproduce
Steps to reproduce the behavior:

1. Export a CSV of an internal data source with a single user column
2. Re-import the export CSV
3. Try and select the single user column as that type
4. See error

Expected behavior
Should allow you to re-map single user columns so they can be imported in again.

Screenshots

[linear]

BUDI-8396 Importing a internal CSV that has single user information within cases it to error when selecting that field.