User Story:
As a user I want to be able to select the source and target language of automatic translation so that I can read contents in my preferred language. For example, if the automatic language detection picks up a wrong source language the user can use the language selector to override it for talk pages
Acceptance criteria:
- we are not certain how much of this needs to be implemented vs. what's already implemented, find out from language product localisation team.
- When user clicks on the Source -> Target link on the automatic translation disclaimer text, open a dialog to allow them to select the languages
- Use the relevant APIs that the language team is building (Phab ticket T287860)
Details for QA:
Ensure upon changing the source and/or target language, the translated text is updated to the selected language