fix: List should also support isFieldList

Author: zombieJ

src/List.tsx

@@ -29,6 +29,9 @@ export interface ListProps {
     operations: ListOperations,
     meta: Meta,
   ) => JSX.Element | React.ReactNode;
+
+  /** @private Passed by Form.List props. Do not use since it will break by path check. */
+  isListField?: boolean;
 }
 
 const List: React.FunctionComponent<ListProps> = ({
@@ -37,6 +40,7 @@ const List: React.FunctionComponent<ListProps> = ({
   children,
   rules,
   validateTrigger,
+  isListField,
 }) => {
   const context = React.useContext(FieldContext);
   const keyRef = React.useRef({
@@ -87,6 +91,7 @@ const List: React.FunctionComponent<ListProps> = ({
           validateTrigger={validateTrigger}
           initialValue={initialValue}
           isList
+          isListField={isListField}
         >
           {({ value = [], onChange }, meta) => {
             const { getFieldValue } = context;

tests/preserve.test.tsx

@@ -421,7 +421,7 @@ describe('Form.Preserve', () => {
                     remove(field.name);
                   }}
                 />
-                <Form.List name={[field.name]}>
+                <Form.List {...field} name={[field.name]}>
                   {childFields =>
                     childFields.map(childField => (
                       <div key={childField.key}>