Ensure ?include_totals are handled on GET /users and GET /roles requests for Management API

[evansims]

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Description

This PR addresses a bug reported in #475 in which we aren't handling the ?include_totals query param with GET /users and GET /roles Management API endpoints in certain circumstances. This PR also updates our tests to accommodate this param's presence.

References

• Closes Users getAll has mistake of pagination #475

Testing

This PR updates the Roles and Users tests to reflect the presence of the ?include_totals query param. The changes can be tested locally with composer test, or observed by the CircleCI test result on this PR.

• This change adds test coverage for new/changed/fixed functionality

Checklist

• I have added documentation for new/changed functionality in this PR or in auth0.com/docs
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used, if not master

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.