Onecart Employee Shopper App

- Remove hardcoded country code from customer contact card
- Implemented a feature to decode barcodes on the backend
- Show correct product details for substituted products
- Show actual item count (pieces) on the product card for weighted items
- Use the WW Algolia index to search for substitutes for WW orders
- Removed the force scan option for all WW orders
- Show Product SKU and scanned Barcode on invalid barcode errors
- Request notification permissions before login