Feat: Cross-language query #7376 #4503 #5710 #7470 (#7554)

### What problem does this PR solve?

Feat: Cross-language query #7376 #4503  #5710 #7470
### 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 { CrossLanguageItem } from '@/components/cross-language-item';
 import { UseKnowledgeGraphItem } from '@/components/use-knowledge-graph-item';
 import styles from './index.less';
 
@@ -40,6 +41,7 @@ const TestingControl = ({ form, handleTesting }: IProps) => {
           <SimilaritySlider isTooltipShown></SimilaritySlider>
           <Rerank></Rerank>
           <UseKnowledgeGraphItem filedName={['use_kg']}></UseKnowledgeGraphItem>
+          <CrossLanguageItem name={'cross_languages'}></CrossLanguageItem>
           <Card size="small" title={t('testText')}>
             <Form.Item<FieldType>
               name={'question'}