fix fiat amount update on transaction update

src/main/java/com/sparrowwallet/sparrow/control/WelcomeDialog.java

@@ -90,6 +90,8 @@ public class WelcomeDialog extends Dialog<Mode> {
 
     private ToggleSwitch createToggle(StatusBar statusBar, ButtonType onlineButtonType, ButtonType offlineButtonType) {
         ToggleSwitch toggleSwitch = new UnlabeledToggleSwitch();
+        toggleSwitch.setStyle("-fx-padding: 1px 0 0 0");
+
         toggleSwitch.selectedProperty().addListener((observable, oldValue, newValue) -> {
             Button onlineButton = (Button) getDialogPane().lookupButton(onlineButtonType);
             onlineButton.setDefaultButton(newValue);

src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java

@@ -266,6 +266,7 @@ public class SendController extends WalletFormController implements Initializabl
             if(walletTransaction != null) {
                 if(getRecipientValueSats() == null || walletTransaction.getRecipientAmount() != getRecipientValueSats()) {
                     setRecipientValueSats(walletTransaction.getRecipientAmount());
+                    setFiatAmount(AppController.getFiatCurrencyExchangeRate(), walletTransaction.getRecipientAmount());
                 }
 
                 double feeRate = (double)walletTransaction.getFee() / walletTransaction.getTransaction().getVirtualSize();