For context and details on the dialogue see parent task.

AT:

• to determine and update the seen state of the what's new dialogue the Onboarding API is used with the key whatsnew
• there is just a dummy what's new dialogue created in the context of this task, containing all supported content elements
• the what's new dialogue content is localized, meaning based on the client locale we show localized contents
  • the guess is that this won't fit well into the localization json files? let's sync on that once you approach this task omran.abazeed