set send amount to total utxo value when sending selected utxos before an address or label is added

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

@@ -278,7 +278,9 @@ public class PaymentController extends WalletFormController implements Initializ
 
     public void setPayment(Payment payment) {
         if(getRecipientValueSats() == null || payment.getAmount() != getRecipientValueSats()) {
-            address.setText(payment.getAddress().toString());
+            if(payment.getAddress() != null) {
+                address.setText(payment.getAddress().toString());
+            }
             if(payment.getLabel() != null && !label.getText().equals(payment.getLabel())) {
                 label.setText(payment.getLabel());
             }

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

@@ -1063,6 +1063,9 @@ public class SendController extends WalletFormController implements Initializabl
             if(event.getPayments() != null) {
                 clear(null);
                 setPayments(event.getPayments());
+            } else if(paymentTabs.getTabs().size() == 1) {
+                Payment payment = new Payment(null, null, event.getUtxos().stream().mapToLong(BlockTransactionHashIndex::getValue).sum(), true);
+                setPayments(List.of(payment));
             }
 
             if(event.getFee() != null) {