Prevent ExcludeEmailFromExport to hide the user email when an authorized user is obtaining metadata for editing a dataset

[stevenwinship]

What this PR does / why we need it: SPA needs to get the contact email to fill the edit screen even when the ExcludeEmailFromExport setting is set. Only for users calling the get dataset version API and the user has EditDataset permissions.

Which issue(s) this PR closes:#11714

• Closes Prevent ExcludeEmailFromExport to hide the user email when an authorized user is obtaining metadata for editing a dataset #11714

Special notes for your reviewer:

Suggestions on how to test this: See DatasetIT test

Does this PR introduce a user interface change? If mockups are available, please link/include them here:

Is there a release notes update needed for this change?: included

Additional documentation:

[coveralls]

coverage: 24.235% (+0.003%) from 24.232%
when pulling 0e8bfc4 on 11714-prevent-exclude-email-from-export-for-permitted-user-get-dataset-version
into 96e96f4 on develop.

[qqmyers]

This looks good to me. I made a couple suggestions for cleanup.

I also noticed that there is a Dataverses api call that also uses this setting - probably another case that will eventually need this override.

[qqmyers]

Looks good - nice improvement to the DatasetFieldWalker!

[github-actions]

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