cubicweb #5352619 can't remove entities linked through and inlined form when the relation is mandatory [validation pending]
we end up with 'relation is required' error message, while we would expect the composite relation to be removed.
|done in||<not specified>|
|closed by||<not specified>|
|patch||[inlined form] when some composite relation for an edited entity is removed, delete the entity [rejected]|