Feat: Display the knowledge graph on the knowledge base page #4543 (#4587)

### What problem does this PR solve?

Feat: Display the knowledge graph on the knowledge base page #4543

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/add-knowledge/components/knowledge-testing/testing-control/index.tsx

@@ -6,6 +6,7 @@ import { Button, Card, Divider, Flex, Form, Input } from 'antd';
 import { FormInstance } from 'antd/lib';
 import { LabelWordCloud } from './label-word-cloud';
 
+import { UseKnowledgeGraphItem } from '@/components/use-knowledge-graph-item';
 import styles from './index.less';
 
 type FieldType = {
@@ -38,6 +39,7 @@ const TestingControl = ({ form, handleTesting }: IProps) => {
         <Form name="testing" layout="vertical" form={form}>
           <SimilaritySlider isTooltipShown></SimilaritySlider>
           <Rerank></Rerank>
+          <UseKnowledgeGraphItem filedName={['use_kg']}></UseKnowledgeGraphItem>
           <Card size="small" title={t('testText')}>
             <Form.Item<FieldType>
               name={'question'}