BAMPFA-24: Make tenant copies of Demands.js, RelatedRecordsList.js, and Sidebar.js.
BAMPFA-24: Add related Media Handling records list sidebar.
BAMPFA-24,BAMPFA-28: In the afterAddRelation event, pass the exact record type(s) related, instead of the general category.
Merge branch 'ucb-deploy_4.0' into cinefiles_4.0