Update React Lint rules for TSX

(cherry picked from commit 1299a97579bec52ee3d16ab8d05c9e22edd80330)

Closes #10248

frontend/src/Settings/CustomFormats/CustomFormatSettingsPage.tsx

@@ -1,4 +1,4 @@
-import React, { Fragment } from 'react';
+import React from 'react';
 import { DndProvider } from 'react-dnd';
 import { HTML5Backend } from 'react-dnd-html5-backend';
 import PageContent from 'Components/Page/PageContent';
@@ -17,11 +17,11 @@ function CustomFormatSettingsPage() {
         // @ts-ignore
         showSave={false}
         additionalButtons={
-          <Fragment>
+          <>
             <PageToolbarSeparator />
 
             <ParseToolbarButton />
-          </Fragment>
+          </>
         }
       />