Devtools: Fix rename appearance in navigator view

Source/devtools/front_end/sources/navigatorView.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 59 matching lines @@
 }
 
 .navigator li.selected .selection {
     height: 18px;
 }
 
 .navigator > ol.being-edited li.selected .selection {
     background-color: rgb(56, 121, 217);
 }
 
+.navigator > ol.being-edited li.selected {
+    overflow: visible;
+}
 
 .navigator .icon {
     width: 16px;
     height: 16px;
     float: left;
 }
 
 .navigator .base-navigator-tree-element-title {
     display: inline-block;
     position: relative;
     padding-left: 2px;
 }
 
 .navigator .base-navigator-tree-element-title.editing {
     margin: auto;
 }
 
 .navigator-tabbed-pane {
     flex: auto;
 }
 
 .navigator-tabbed-pane .navigator {
     padding-left: 0;
     transform: translateZ(0);
 }