Added a member check for showing more menu or not

- This should stop people who are not logged in from showing more menu

refs https://github.com/TryGhost/Team/issues/1693

apps/comments-ui/src/components/More.js

@@ -19,6 +19,10 @@ const More = (props) => {
     */
     const show = (!!member && comment.status === 'published') || !!admin;
 
+    if (!member) {
+        return null;
+    }
+
     return (
         <div className="relative">
             {show ? <button onClick={toggleContextMenu}><MoreIcon className='gh-comments-icon gh-comments-icon-more fill-neutral-400 dark:fill-rgba(255,255,255,0.5)' /></button> : null}