feat(api): Add authMode support to lazy loaded models

[mattcreaser]

• [x] PR title and description conform to Pull Request guidelines.

Issue #, if available:

Description of changes: When loading a lazy model/list with an authMode we pass that through and use it to also load the referenced models.

How did you test these changes?

Documentation update required?

• [x] No
• [ ] Yes (Please include a PR link for the documentation update)

General Checklist

• [x] Added Unit Tests
• [ ] Added Integration Tests
• [ ] Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)

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