WIP allow public accession records to surface in the public app
Fix digital objects linked to accessions breaking in backend (with test); Add Accession details to public app, with two-way links to resources and links from the digital objects back to the source of the instance
Merge pull request #526 from hudmol/43807567-accessions-in-the-public-app

[Delivers #43807567] accessions in the public app