check and change update shift payment

app/models/sale_payment.rb

@@ -372,6 +372,11 @@ class SalePayment < ApplicationRecord
       shift.update(self.sale)
       self.sale.shift_sale_id = shift.id
       self.sale.save
+    else
+      shift = ShiftSale.current_shift
+      shift.update(self.sale)
+      self.sale.shift_sale_id = shift.id
+      self.sale.save
     end
   end