Fix bug with `set_locale`
Fix bug with `set_locale`

The `I18n.available_locales` returns an array of symbols, and it was
expecting an array of strings

Codeminer42/cm42-central,Codeminer42/cm42-central,Codeminer42/cm42-central,PedroFelipe/cm42-central,PedroFelipe/cm42-central,PedroFelipe/cm42-central