-- changes user flow for wallet top-up and changed the visual design to reflect that
-- top-up now works with random generated string
-- removed UPI ID asking step
-- implemented required changes to cashier side also
-- implemented rule to include UPI ID while topping up
-- cashier can now see which UPI ID sent the money
-- Scanning QR code is collapsed by default to save space
-- decline request now shows a loader
- Send FLO to user if their balance is below user_flo_threshold
- Automatically converts rupee token equivalent of send_user_flo value using exchangeAPI
- user_flo_threshold and send_user_flo are blockchain configured
- Encrypt UPI ID of users before sending to cashier
- Cashier: reconnect status ws at a regular interval to avoid timeout
- return the default cashier ID if no cashier is online (configured via blockchain)
