AMBARI-15188. Status icons in Services dropdown menu aren't centered vertically (alexantonenko)

ambari-web/app/styles/application.less

@@ -312,6 +312,9 @@ footer {
         line-height: 20px;
         color: @top-nav-menu-dropdown-text-color;
         white-space: nowrap;
+        .icon-health-block > span:before {
+          line-height: 20px;
+        }
       }
       .top-nav-dropdown-menu > li.active > a{
         background-color: #e5e5e5;