Beta relationship editor suggestions

[reosarevok]

For further feedback on the relationship editor, let’s use this thread:

Help test the relationship editor on beta.musicbrainz.org

Hello, We plan to release a new server update soon which rewrites most of the relationship editor code and makes some improvements. The new code has been on beta for some months already, with steady updates in between, but we’re nearing a proper release and wanted to give one final call for testing: https://beta.musicbrainz.org/ (Remember that the beta server uses the live database, so any edits you make there affect the live site too.) On most types of entities you can access the relations…

(answers to specific comments in here are of course still fine to post!)