feat: qr payment flow update

config/routes.rb

@@ -746,6 +746,7 @@ scope "(:locale)", locale: /en|mm/ do
     get '/:sale_id/reprint' => 'payments#reprint', :defaults => {:format => 'json'}
     get '/food_court/:order_id/cancel_order' => 'orders#cancel_order', :as => 'cancel_order'
 
+    get '/:sale_id/qrpay/precreate' => 'qrpay#precreate'
     get '/:sale_id/qrpay/init' => 'qrpay#init'
     post 'qrpay/cancel' => 'qrpay#cancel'
     get 'qrpay/test-payment' => 'qrpay#test_payment'