fix className to display icons

apps/app/src/client/components/PageComment/ReplyComments.tsx

@@ -69,7 +69,7 @@ export const ReplyComments = (props: ReplycommentsProps): JSX.Element => {
 
   const areThereHiddenReplies = (replyList.length > 2);
   const toggleButtonIconName = isOlderRepliesShown ? 'expand_less' : 'more_vert';
-  const toggleButtonIcon = <span className="material-icons-outlined me-1">{toggleButtonIconName}</span>;
+  const toggleButtonIcon = <span className="material-symbols-outlined me-1">{toggleButtonIconName}</span>;
   const toggleButtonLabel = isOlderRepliesShown ? '' : 'more';
   const shownReplies = replyList.slice(replyList.length - 2, replyList.length);
   const hiddenReplies = replyList.slice(0, replyList.length - 2);