remember showtxhex for new tabs

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

@@ -42,6 +42,8 @@ public class AppController implements Initializable {
     @FXML
     private TabPane tabs;
 
+    public static boolean showTxHexProperty;
+
     @Override
     public void initialize(URL location, ResourceBundle resources) {
 
@@ -78,6 +80,7 @@ public class AppController implements Initializable {
         });
 
         showTxHex.setSelected(true);
+        showTxHexProperty = true;
     }
 
     public void openFromFile(ActionEvent event) {
@@ -167,6 +170,7 @@ public class AppController implements Initializable {
     public void showTxHex(ActionEvent event) {
         CheckMenuItem item = (CheckMenuItem)event.getSource();
         EventManager.get().post(new TransactionTabChangedEvent(tabs.getSelectionModel().getSelectedItem(), item.isSelected()));
+        showTxHexProperty = item.isSelected();
     }
 
     public void openExamples(ActionEvent event) {

src/main/java/com/sparrowwallet/sparrow/transaction/TransactionController.java

@@ -6,6 +6,7 @@ import com.sparrowwallet.drongo.protocol.*;
 import com.sparrowwallet.drongo.psbt.PSBT;
 import com.sparrowwallet.drongo.psbt.PSBTInput;
 import com.sparrowwallet.drongo.psbt.PSBTOutput;
+import com.sparrowwallet.sparrow.AppController;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.event.TransactionChangedEvent;
 import com.sparrowwallet.sparrow.event.TransactionTabChangedEvent;
@@ -56,6 +57,7 @@ public class TransactionController implements Initializable {
 
     private void initializeView() {
         initializeTxTree();
+        transactionMasterDetail.setShowDetailNode(AppController.showTxHexProperty);
         refreshTxHex();
     }