copilot fixes

Author: Kanchan-Microsoft

src/frontend/src/components/batchHistoryPanel.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useState, useEffect, useRef } from "react";
 
 import { useDispatch, useSelector } from 'react-redux';
 import { Card, Spinner, Tooltip } from "@fluentui/react-components";

src/frontend/src/pages/batchView.tsx

@@ -38,7 +38,7 @@ import PanelRight from "../components/Panels/PanelRight";
 import PanelRightToolbar from "../components/Panels/PanelRightToolbar";
 import BatchHistoryPanel from "../components/batchHistoryPanel";
 import ConfirmationDialog from "../commonComponents/ConfirmationDialog/confirmationDialogue";
-import { renderErrorSection, useStyles, renderFileError, BatchSummary, fileErrorCounter } from "../api/utils";
+import { renderErrorSection, useStyles, renderFileError, BatchSummary } from "../api/utils";
 export const History = bundleIcon(HistoryFilled, HistoryRegular);
 import { format } from "sql-formatter";
 

src/frontend/src/pages/modernizationPage.tsx

@@ -462,7 +462,7 @@ const ModernizationPage = () => {
         const selectedFile = files.find((f) => f.id === selectedFileId);
         if (!selectedFile || !selectedFile.translatedCode) {
           setFileLoading(true);
-          const _newFileUpdate = await fetchFileFromAPI(selectedFile?.fileId || "");
+          await fetchFileFromAPI(selectedFile?.fileId || "");
           setFileLoading(false);
         }