Swap from React Helmet to Unhead (#38896)

app/javascript/mastodon/features/lists/index.tsx

@@ -2,9 +2,10 @@ import { useEffect, useMemo, useCallback } from 'react';
 
 import { defineMessages, useIntl, FormattedMessage } from 'react-intl';
 
-import { Helmet } from 'react-helmet';
 import { Link } from 'react-router-dom';
 
+import { Helmet } from '@unhead/react/helmet';
+
 import AddIcon from '@/material-icons/400-24px/add.svg?react';
 import ListAltIcon from '@/material-icons/400-24px/list_alt.svg?react';
 import MoreHorizIcon from '@/material-icons/400-24px/more_horiz.svg?react';

app/javascript/mastodon/features/lists/members.tsx

@@ -2,9 +2,10 @@ import { useCallback, useState, useEffect } from 'react';
 
 import { defineMessages, useIntl, FormattedMessage } from 'react-intl';
 
-import { Helmet } from 'react-helmet';
 import { useParams, Link } from 'react-router-dom';
 
+import { Helmet } from '@unhead/react/helmet';
+
 import ListAltIcon from '@/material-icons/400-24px/list_alt.svg?react';
 import SquigglyArrow from '@/svg-icons/squiggly_arrow.svg?react';
 import { fetchRelationships } from 'mastodon/actions/accounts';

app/javascript/mastodon/features/lists/new.tsx

@@ -2,11 +2,12 @@ import { useCallback, useState, useEffect } from 'react';
 
 import { defineMessages, useIntl, FormattedMessage } from 'react-intl';
 
-import { Helmet } from 'react-helmet';
 import { useParams, useHistory, Link } from 'react-router-dom';
 
 import { isFulfilled } from '@reduxjs/toolkit';
 
+import { Helmet } from '@unhead/react/helmet';
+
 import ChevronRightIcon from '@/material-icons/400-24px/chevron_right.svg?react';
 import ListAltIcon from '@/material-icons/400-24px/list_alt.svg?react';
 import { fetchList } from 'mastodon/actions/lists';