[UI] Tweak NavigationDrawer (#10623)

- Remove double scrollbar

src/frontend/src/components/nav/NavigationDrawer.tsx

@@ -1,12 +1,5 @@
 import { t } from '@lingui/core/macro';
-import {
+import { Container, Drawer, Flex, Group, Space } from '@mantine/core';
-  Container,
-  Drawer,
-  Flex,
-  Group,
-  ScrollArea,
-  Space
-} from '@mantine/core';
 import { useViewportSize } from '@mantine/hooks';
 import { useEffect, useMemo, useRef, useState } from 'react';
 
@@ -183,7 +176,6 @@ function DrawerContent({ closeFunc }: Readonly<{ closeFunc?: () => void }>) {
       </Group>
       <Space h='xs' />
       <Container className={classes.layoutContent} p={0}>
-        <ScrollArea h={scrollHeight} type='always' offsetScrollbars>
         <MenuLinks
           title={t`Navigation`}
           links={menuItemsNavigate}
@@ -209,7 +201,6 @@ function DrawerContent({ closeFunc }: Readonly<{ closeFunc?: () => void }>) {
         ) : (
           <></>
         )}
-        </ScrollArea>
       </Container>
       <div ref={ref}>
         <Space h='md' />