Update assign-user-or-group-access-portal.md

[ruaden94]

update to prerequisites to include the types of groups that are allowed.

[prmerger-automator]

@ruaden94 : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit d29d651:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/identity/enterprise-apps/assign-user-or-group-access-portal.md	✅Succeeded

For more details, please refer to the build report.

[Copilot]

Pull Request Overview

This PR updates the prerequisites section in the documentation for assigning user or group access in enterprise applications. The change clarifies the specific types of groups that are supported for group-based assignment.

• Added clarification about supported group types for group-based assignment

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[ShannonLeavitt]

@omondiatieno

Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team