state management corrected

GMERemittance/Module/SendMoneyParent/User Interface/View/SendMoneyParentViewController.swift

@@ -180,11 +180,13 @@ class SendMoneyParentViewController: UIViewController {
             self.paymentModeButton.backgroundColor = Constants.stateGreenColor
             self.exchangeRateButton.backgroundColor = Constants.stateGreenColor
             self.verificationButton.backgroundColor = Constants.stateRedColor
+            self.exchangeRateButton.isUserInteractionEnabled = true
             self.verificationButton.isUserInteractionEnabled = false
         case .verification:
             self.paymentModeButton.backgroundColor = Constants.stateGreenColor
             self.exchangeRateButton.backgroundColor = Constants.stateGreenColor
             self.verificationButton.backgroundColor = Constants.stateGreenColor
+            self.exchangeRateButton.isUserInteractionEnabled = true
         }
     }