Added a tooltip to post timestamps displaying the actual time the post was created

web/react/components/rhs_comment.jsx

@@ -193,7 +193,10 @@ export default class RhsComment extends React.Component {
                             <strong><UserProfile userId={post.user_id} /></strong>
                         </li>
                         <li className='post-header-col'>
-                            <time className='post-right-comment-time'>
+                            <time
+                                className='post-profile-time'
+                                title={new Date(post.create_at).toString()}
+                            >
                                 {Utils.displayCommentDateTime(post.create_at)}
                             </time>
                         </li>