DevTools: align more status bar button usages.

Source/devtools/front_end/sources/sourcesPanel.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 22 matching lines @@
 
 .scripts-pause-on-exceptions-status-bar-item.toggled-on .glyph {
     background-color: rgb(66, 129, 235);
 }
 
 .scripts-debug-toolbar {
     position: absolute;
     top: 0;
     width: 100%;
     background-color: #eee;
-    overflow: hidden;
-    white-space: nowrap;
+    border-bottom: 1px solid rgb(163, 163, 163);
+    margin-top: -1px;
 }
 
 .scripts-debug-toolbar-drawer {
     flex: 0 0 46px;
     -webkit-transition: margin-top 0.1s ease-in-out;
     margin-top: -23px;
     line-height: 23px;
     padding-top: 22px;
     border-bottom: 1px solid rgb(202, 202, 202);
     background-color: white;
@@ skipping 84 matching lines @@
 .panel.sources .split-view.hbox #scripts-debug-sidebar-resizer-widget {
     bottom: 0;
 }
 
 .panel.sources .scripts-debugger-show-hide-button {
     display: block;
 }
 
 .panel.sources button.status-bar-item.scripts-navigator-show-hide-button {
     display: block;
-    top: 4px;
-    left: 4px;
+    top: 3px;
+    left: 3px;
 }
 
 .panel.sources .navigator-tabbed-pane .tabbed-pane-header {
     background-color: #eee;
 }
 
 .function-location-link {
     float: right;
     margin-left: 10px;
 }
@@ skipping 29 matching lines @@
 .panel.sources .drag-mask-inner {
     font-size: 30px;
     color: #999;
     display: flex;
     justify-content: center;
     align-items: center;
     margin: 20px;
     border: 4px dashed #ddd;
     pointer-events: none;
 }