XWIKI-23709: The white space after "RSS Feed" link on the Notification menu should not be underlined on hover

* Removed the white space.

Author: Sereza7

xwiki-platform-core/xwiki-platform-notifications/xwiki-platform-notifications-ui/src/main/resources/XWiki/Notifications/Code/NotificationsDisplayerUIX.xml

@@ -55,7 +55,7 @@ Get the actual notifications.
             <span class="notifications-header-link">
               <a href="$xwiki.getURL('XWiki.Notifications.Code.NotificationRSSService', 'get', 'outputSyntax=plain')"
                   class="notifications-header-link notifications-rss-link" rel="nofollow external">
-                $services.icon.renderHTML('rss') $escapetool.xml($services.localization.render('notifications.rss.feedLink'))
+                $services.icon.renderHTML('rss') $escapetool.xml($services.localization.render('notifications.rss.feedLink'))##
               </a>
             </span>
             <span class="notifications-header-link">