Forum Panel: Fix context menu for topics (#3332)

src/components/left/main/Topic.tsx

@@ -168,6 +168,7 @@ const Topic: FC<OwnProps & StateProps> = ({
       style={style}
       href={IS_OPEN_IN_NEW_TAB_SUPPORTED ? `#${createLocationHash(chatId, 'thread', topic.id)}` : undefined}
       contextActions={contextActions}
+      withPortalForMenu
       ref={ref}
     >
       <div className="info">

src/components/left/main/hooks/useTopicContextActions.ts

@@ -53,8 +53,6 @@ export default function useTopicContextActions({
       },
     };
 
-    const newTabActionSeparator = actionOpenInNewTab && { isSeparator: true, key: 'newTabSeparator' };
-
     const actionUnreadMark = topic.unreadCount || !wasOpened
       ? {
         title: lang('MarkAsRead'),
@@ -110,7 +108,6 @@ export default function useTopicContextActions({
 
     return compact([
       actionOpenInNewTab,
-      newTabActionSeparator,
       actionPin,
       actionUnreadMark,
       actionMute,