Merge pull request #3975 from weseek/imprv/GW-6514-number-comment

add number of comment

src/client/js/components/Sidebar/RecentChanges.jsx

@@ -73,6 +73,8 @@ class RecentChanges extends React.Component {
             <div className="text-right small">
               <span className="mr-1 footstamp-icon"><FootstampIcon /></span>
               <span className="seen-user-count">{pageContainer.state.countOfSeenUsers}</span>
+              <i className="icon-bubble"></i>
+              <span>{page.commentCount}</span>
               <br />
               <FormattedDistanceDate id={page.id} date={page.updatedAt} />
             </div>