Dont have a list button, if there is no config items to list (for configuration translation)

Problem/Motivation

Steps to reproduce

install drupal
enable configuration translation
go to Administration >> Configuration >> Regional and language >> Configuration translation (admin/config/regional/config-translation)
pick a list that is empty, like ... taxonomy term fields, or contact message fields

Proposed resolution

• Dont have a list button, if there is nothing to list

Remaining tasks

• ?

User interface changes

Maybe

API changes

No