Fixed mouse navigation in the Files app

chrome/browser/resources/file_manager/css/file_manager.css

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
 html.col-resize * {
   cursor: col-resize !important;
 }
 
 /* Outer frame of the dialog. */
 body {
@@ skipping 510 matching lines @@
   top: 50%;
   width: 22px;
 }
 
 #spinner-container {
   -webkit-box-align: center;
   -webkit-box-pack: center;
   bottom: 0;
   display: -webkit-box;
   left: 0;
+  pointer-events: none;
   position: absolute;
   right: 0;
   top: 0;
 }
 
 #spinner-with-text {
   background-image: url('../images/common/spinner.svg');
   background-repeat: no-repeat;
   font-size: 16px;
   height: 22px;
@@ skipping 887 matching lines @@
   width: 50%;
 }
 
 #list-container .table-header-inner {
   height: 100%;
 }
 
 #list-container .table-header-cell:hover {
   background-color: #f2f2f2;
 }