Inconsistent description for custom mail server between :read-resource-description on parent and the custom server itself

There is inconsistent description for custom server when reading it as child description => /subsystem=mail/mail-session=default:read-resource-description, where it is Custom mail server configuration and when reading its description directly => /subsystem=mail/mail-session=default/custom=xxx:read-resource-description, where it is Mail session server

This doesn't look nice from UX PoV, where I believe these values should be the same.