Add support for unmodeled methods

Author: koesie10

extensions/ql-vscode/src/view/method-modeling/MultipleModeledMethodsPanel.tsx

@@ -48,12 +48,18 @@ export const MultipleModeledMethodsPanel = ({
 
   return (
     <Container>
-      {modeledMethods.length > 0 && (
+      {modeledMethods.length > 0 ? (
         <MethodModelingInputs
           method={method}
           modeledMethod={modeledMethods[selectedIndex]}
           onChange={onChange}
         />
+      ) : (
+        <MethodModelingInputs
+          method={method}
+          modeledMethod={undefined}
+          onChange={onChange}
+        />
       )}
       <Footer>
         <PaginationActions>