v3.0.1 Meatball soup

It turns out v3.0.0's meatballs where a bit too spicy for Katuma's taste and we had to address an issue with the Spree preferences.

User facing changes 👀

• Translations. It also fixes the broken "Ready for" UI in Catalan.

Technical changes 🔧

• Fix the spree preferences keys to conform to Spree's v2.1 format #5660