Fix interpolation problem with further config
Fix interpolation problem with further config

I don't fully understand why this works, but this is copied from the
upstream tests which convert v1 translation JSON format for
compatibility: https://github.com/i18next/i18next/blob/5fb4dbcb7ccdcfc78192e69ef3291d2ace6814b4/test/backward/compatibility/v1.js#L4

sharelatex/translations-sharelatex