Allows providers with ROLE_MEMBER "Member Only" role to retrieve non-findable DOIs at /dois endpoint

[codycooperross]

Purpose

Providers with the ROLE_MEMBER role should have access to non-findable DOIs at the /dois endpoint alongside other authenticated members. This PR addresses this inconsistency.

closes: Add github issue that originated this PR

Approach

Open Questions and Pre-Merge TODOs

Learning

Types of changes

• Bug fix (non-breaking change which fixes an issue)

• New feature (non-breaking change which adds functionality)

• Breaking change (fix or feature that would cause existing functionality to change)

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