Visitor profile: add tooltip 'close' when mouse hovers on exit button (#11232)

* close appears when mouse hovers on  exit button 

this is in the visitor profile

* Use translated string for "Close"

plugins/Live/templates/getVisitorProfilePopup.twig

@@ -6,7 +6,7 @@
      data-next-visitor="{{ visitorData.nextVisitorId }}"
      data-prev-visitor="{{ visitorData.previousVisitorId }}"
      tabindex="0">
-    <a href class="visitor-profile-close"></a>
+    <a href class="visitor-profile-close" title="{{ 'General_Close'|translate }} "></a>
     <div class="visitor-profile-info">
         <div>
             <div class="visitor-profile-overview">