[ENG-2227] Load all authors for moderator preprint detail page

[futa-ikeda]

Purpose

• Allow more than 10 preprint authors to be shown to moderators on the preprint detail page

Summary of Changes/Side Effects

• Explicitly fetch all contributors for a given preprint, instead of just the first 10 using loadAll

Screenshot

Screenshot of contributor list on routes like osf.io/reviews/preprints/<provider_id>/<preprint_id>

Testing Notes

• This fix pertains to the reviews app, so make sure sure you are looking at the preprint detail page as a moderator, and not as a preprint author!
• Please ensure that a moderator for a preprint provider can see all the contributors on a preprint if there are more than 10 contributors (Note: depending on the server's speed, it may show the first 10 initially, then quietly be loading the next 10, and so on)
• For preprints with less than 10 contributors, the behavior should be unchanged

Ticket

https://openscience.atlassian.net/browse/ENG-2227

Notes for Reviewer

Reviewer Checklist

• meets requirements
• easy to understand
• DRY
• testable and includes test(s)
• changes described in CHANGELOG.md

[coveralls]

Coverage decreased (-0.1%) to 52.137% when pulling 7222a62 on futa-ikeda:feature/load-all-contribs into 442605d on CenterForOpenScience:develop.

[fabmiz]

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