followup to script type descriptions

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

@@ -109,12 +109,12 @@ public class SettingsController extends WalletFormController implements Initiali
         scriptType.setConverter(new StringConverter<>() {
             @Override
             public String toString(ScriptType scriptType) {
-                return scriptType.getDescription();
+                return scriptType == null ? "" : scriptType.getDescription();
             }
 
             @Override
             public ScriptType fromString(String string) {
-                return ScriptType.fromDescriptor(string);
+                return Arrays.stream(ScriptType.values()).filter(type -> type.getDescription().equals(string)).findFirst().orElse(null);
             }
         });
 
@@ -330,7 +330,10 @@ public class SettingsController extends WalletFormController implements Initiali
                 wallet.setDefaultPolicy(Policy.getPolicy(wallet.getPolicyType(), wallet.getScriptType(), wallet.getKeystores(), (int)multisigControl.getLowValue()));
             }
 
-            descriptor.setWallet(wallet);
+            if(ScriptType.getAddressableScriptTypes(wallet.getPolicyType()).contains(wallet.getScriptType())) {
+                descriptor.setWallet(wallet);
+            }
+
             revert.setDisable(false);
             apply.setDisable(!wallet.isValid());
         }

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

@@ -9,7 +9,7 @@
 <?import com.sparrowwallet.drongo.BitcoinUnit?>
 <?import com.sparrowwallet.sparrow.Theme?>
 
-<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="200" minWidth="350" prefHeight="770.0" prefWidth="1000.0" fx:controller="com.sparrowwallet.sparrow.AppController" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1">
+<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="200" minWidth="350" prefHeight="770.0" prefWidth="1020.0" fx:controller="com.sparrowwallet.sparrow.AppController" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1">
     <children>
         <MenuBar useSystemMenuBar="true">
             <menus>