Deliver the new scanning experience

Deliver the new scanning experience per mockups

Server side updates to finally deliver on the offline scan

• Generate on-demand miniaturized dump of the database and images for an offline mode openfoodfacts-server#6328
• Offline scan dump is partly broken (Nutri-Score field rename) openfoodfacts-server#4648

Mockups

• Please look at the mockups in Sketch

• High level promises:
  

Part of

• ✨ The Big App Redesign #4795