MBS-6276: Remove padding/fix alignment of lists in edits

Removes the list bullet image and extra padding for lists inside the details of
an edit. This was requested in MBS-6276 for release events, but the fix here
affects all edit types to be consistent.
MBS-6457: Do not allow created deprecated relationships in relationship editor

If the user attempts to select a deprecated relationship type, an
error will be added to the relationship type field, informing the
user that the relationship type is deprecated and the "Done" button
will be disabled until this error is corrected.

Conflicts:
	postgresql-musicbrainz-collate
	postgresql-musicbrainz-unaccent
MBS-6457: Move deprecated relationship information to JSON

Adds a new 'deprecated' field to the JSON representation of the
relationship tree. This means that flagging relationships as deprecated
is now independent of the site language the user is using.