Fix: File selection in Retrieval testing causes other options to disappear (#7759)

### What problem does this PR solve?

https://github.com/infiniflow/ragflow/issues/7753

The internal is due to when the selected row keys change will trigger a
testing, but I do not know why.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/components/retrieval-documents/index.tsx

@@ -2,7 +2,10 @@ import { ReactComponent as SelectedFilesCollapseIcon } from '@/assets/svg/select
 import { Collapse, Flex, Space } from 'antd';
 import SelectFiles from './select-files';
 
-import { useSelectTestingResult } from '@/hooks/knowledge-hooks';
+import {
+  useAllTestingResult,
+  useSelectTestingResult,
+} from '@/hooks/knowledge-hooks';
 import { useTranslation } from 'react-i18next';
 import styles from './index.less';
 
@@ -18,7 +21,12 @@ const RetrievalDocuments = ({
   setSelectedDocumentIds,
 }: IProps) => {
   const { t } = useTranslation();
+  const { documents: documentsAll } = useAllTestingResult();
   const { documents } = useSelectTestingResult();
+  const { documents: useDocuments } = {
+    documents:
+      documentsAll?.length > documents?.length ? documentsAll : documents,
+  };
 
   return (
     <Collapse
@@ -35,7 +43,7 @@ const RetrievalDocuments = ({
             >
               <Space>
                 <span>
-                  {selectedDocumentIds?.length ?? 0}/{documents?.length ?? 0}
+                  {selectedDocumentIds?.length ?? 0}/{useDocuments?.length ?? 0}
                 </span>
                 {t('knowledgeDetails.filesSelected')}
               </Space>

web/src/components/retrieval-documents/select-files.tsx

@@ -1,6 +1,9 @@
 import NewDocumentLink from '@/components/new-document-link';
 import { useTranslate } from '@/hooks/common-hooks';
-import { useSelectTestingResult } from '@/hooks/knowledge-hooks';
+import {
+  useAllTestingResult,
+  useSelectTestingResult,
+} from '@/hooks/knowledge-hooks';
 import { ITestingDocument } from '@/interfaces/database/knowledge';
 import { EyeOutlined } from '@ant-design/icons';
 import { Button, Table, TableProps, Tooltip } from 'antd';
@@ -12,6 +15,9 @@ interface IProps {
 
 const SelectFiles = ({ setSelectedDocumentIds, handleTesting }: IProps) => {
   const { documents } = useSelectTestingResult();
+  const { documents: documentsAll } = useAllTestingResult();
+  const useDocuments =
+    documentsAll?.length > documents?.length ? documentsAll : documents;
   const { t } = useTranslate('fileManager');
 
   const columns: TableProps<ITestingDocument>['columns'] = [
@@ -62,7 +68,7 @@ const SelectFiles = ({ setSelectedDocumentIds, handleTesting }: IProps) => {
   return (
     <Table
       columns={columns}
-      dataSource={documents}
+      dataSource={useDocuments}
       showHeader={false}
       rowSelection={rowSelection}
       rowKey={'doc_id'}