Switch from 48px weight 600 material symbol icons to 24px weight 400 icons (#28064)

app/javascript/mastodon/components/load_gap.tsx

@@ -2,8 +2,7 @@ import { useCallback } from 'react';
 
 import { useIntl, defineMessages } from 'react-intl';
 
-import MoreHorizIcon from '@material-symbols/svg-600/outlined/more_horiz.svg?react';
-
+import MoreHorizIcon from 'mastodon/../material-icons/400-24px/more_horiz.svg?react';
 import { Icon } from 'mastodon/components/icon';
 
 const messages = defineMessages({