fix: list nest list

Author: elevensky

src/Field.tsx

@@ -627,7 +627,6 @@ class Field extends React.Component<InternalFieldProps, FieldState> implements F
 function WrapperField<Values = any>({ name, ...restProps }: FieldProps<Values>) {
   const fieldContext = React.useContext(FieldContext);
   const listContext = React.useContext(ListContext);
-  const mergedIsListField = restProps.isListField || (!restProps.isList && !!listContext);
   const namePath = name !== undefined ? getNamePath(name) : undefined;
 
   let key: string = 'keep';
@@ -650,7 +649,7 @@ function WrapperField<Values = any>({ name, ...restProps }: FieldProps<Values>)
     <Field
       key={key}
       name={namePath}
-      isListField={mergedIsListField}
+      isListField={!!listContext}
       {...restProps}
       fieldContext={fieldContext}
     />

src/List.tsx

@@ -43,6 +43,7 @@ const List: React.FunctionComponent<ListProps> = ({
   isListField,
 }) => {
   const context = React.useContext(FieldContext);
+  const wrapperListContext = React.useContext(ListContext);
   const keyRef = React.useRef({
     keys: [],
     id: 0,
@@ -91,7 +92,7 @@ const List: React.FunctionComponent<ListProps> = ({
           validateTrigger={validateTrigger}
           initialValue={initialValue}
           isList
-          isListField={isListField}
+          isListField={isListField ?? !!wrapperListContext}
         >
           {({ value = [], onChange }, meta) => {
             const { getFieldValue } = context;