fix: extract translations (#1181)

Apparently if you don't do this you get junk displayed after deployment.
Going forward we need to make this less error-prone. But for now just
run `npm run extract`.

Also fix a typo that I noticed while reviewing.

<img width="952" alt="Screenshot 2024-05-01 at 17 30 51"
src="https://github.com/brave/ads-ui/assets/51444/8bf1af8e-6ad1-4159-9ffe-5d4af45d7834">