Curation labels are not internationalized

[kaitlinnewson]

Note: Pull request coming soon for this issue from @JayanthyChengan.

What steps does it take to reproduce the issue?

• When does this issue occur?

In an install with more than one language, the curation labels are not internationalized or able to be currently.

• Which page(s) does it occurs on?

Any page where a user can see curation labels, including in the settings, dataset listings, and in the notifications when the label is changed.

• What happens?

The curation labels only appear in English, and are only able to be installed in a single language.

• To whom does it occur (all users, curators, superusers)?

Users that can access curation labels (admins, curators).

• What did you expect to happen?

I expect to be able to add translations for curation labels to the properties files at the install level, then to be able to see them in different languages at the user level.

Which version of Dataverse are you using?

5.8