Fixed the "hover" state of the profiler sidebar menu

Author: javiereguiluz

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/profiler.css.twig

@@ -515,7 +515,9 @@ tr.status-warning td {
     margin-bottom: -99999px; {# needed for 'same-height columns' trick #}
     margin-left: -100%;
     padding-bottom: 99999px; {# needed for 'same-height columns' trick #}
+    position: relative;
     width: 220px;
+    z-index: 9999;
 }
 #sidebar .module {
     padding: 10px;