videos: ignore broken and cds file links

videos: reuse afs file objects across multiple video records

videos: fix _curation field

videos(digitized): remove cds related identifier resource type

videos: use creation date for missing date digitized records

videos: add model and rules for digitized records

fix(dumper) use the dump creation date

fix(comments): Add missing DB commit for requests status update

fix(comments): Add missing comments/__init__.py file

fix(comments): Move missing users from ldap file to comments subfolder

feat(comments): Support attacking files for comments

refactor(comments): Add migrated comments count in logs & reports

fix(comments): Add user indexing for commenters load

refactor(comments): Fix links in report & populate FK table

feat(comments): Add migration report for comments