Disable the keyboard shortcut for saving PSBT binary when its parent menu is disabled

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -87,6 +87,9 @@ public class AppController implements Initializable {
     @FXML
     private Menu savePSBT;
 
+    @FXML
+    private MenuItem savePSBTBinary;
+
     @FXML
     private MenuItem exportWallet;
 
@@ -267,6 +270,7 @@ public class AppController implements Initializable {
         showLoadingLog.setSelected(Config.get().isShowLoadingLog());
         showUtxosChart.setSelected(Config.get().isShowUtxosChart());
         savePSBT.visibleProperty().bind(saveTransaction.visibleProperty().not());
+        savePSBTBinary.disableProperty().bind(saveTransaction.visibleProperty());
         exportWallet.setDisable(true);
         refreshWallet.disableProperty().bind(Bindings.or(exportWallet.disableProperty(), Bindings.or(serverToggle.disableProperty(), AppServices.onlineProperty().not())));
         sendToMany.disableProperty().bind(exportWallet.disableProperty());

src/main/resources/com/sparrowwallet/sparrow/app.fxml

@@ -29,7 +29,7 @@
                         </Menu>
                         <MenuItem fx:id="saveTransaction" mnemonicParsing="false" text="Save Transaction..." accelerator="Shortcut+S" onAction="#saveTransaction"/>
                         <Menu fx:id="savePSBT" mnemonicParsing="false" text="Save PSBT">
-                            <MenuItem text="As Binary..." onAction="#savePSBTBinary" accelerator="Shortcut+S"/>
+                            <MenuItem fx:id="savePSBTBinary" text="As Binary..." onAction="#savePSBTBinary" accelerator="Shortcut+S"/>
                             <MenuItem text="As Base64..." onAction="#savePSBTText"/>
                             <MenuItem text="As Binary (No Xpubs)..." onAction="#savePSBTBinaryNoXpubs"/>
                             <MenuItem text="As Base64 (No Xpubs)..." onAction="#savePSBTTextNoXpubs"/>