Better support for large data sets and private content

Fixes in this version

Fix: Large data sets or data sets with multiple nested packages render
very slowly and sometimes crash the browser
Fix: Private content doesn't download
Fix: Package contents table wasn't sorted by order of appearance in
metadata
Fix: Format IDs in package contents table are not user friendly
Fix: UUIDs in search queries throw an error
Fix: Error when navigating to a package that has no metadata
Fix: Provenance charts "View more" link didn't work
Fix: Private lock icon is not always displayed