[forms/inline] fix #703911: add new link disappears if inline box removed. Since we've the information, we must specify the target type else we get random cardinality on ambiguous relations

this is not the form renderer responsability to check for update permissions. Move this to autoform editable_attributes relation

turn default logging threshold to warning (we usually want them), and log 'no schema for eid' pb using warning instead of error, so we see them in logs but not during migration