fix: preserve sibling values for nested list changes

Author: zombieJ

src/hooks/useForm.ts

@@ -1,5 +1,4 @@
 import { merge } from '@rc-component/util/lib/utils/set';
-import { mergeWith } from '@rc-component/util';
 import warning from '@rc-component/util/lib/warning';
 import * as React from 'react';
 import { HOOK_MARK } from '../FieldContext';
@@ -779,14 +778,9 @@ export class FormStore {
     const { onValuesChange } = this.callbacks;
 
     if (onValuesChange) {
-      const fieldEntity = this.getFieldsMap(true).get(namePath);
       const changedValues = cloneByNamePathList(this.store, [namePath]);
       const allValues = this.getFieldsValue();
-      // Merge changedValues into allValues to ensure allValues contains the latest changes
-      const mergedAllValues = mergeWith([allValues, changedValues], {
-        // When value is array, it means trigger by Form.List which should replace directly
-        prepareArray: current => (fieldEntity?.isList() ? [] : [...(current || [])]),
-      });
+      const mergedAllValues = setValue(allValues, namePath, getValue(changedValues, namePath));
       onValuesChange(changedValues, mergedAllValues);
     }