DevTools: workaround for layout glitch.

Source/devtools/front_end/inspector.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 245 matching lines @@
     border: 0;
     padding: 0 2px;
     margin: 0;
     flex: 1;
 }
 
 .search-replace:focus {
     outline: none;
 }
 
+#search-input-field {
+    height: 18px;
+}
+
 .toolbar-search {
     border-spacing: 1px;
 }
 
 .toolbar-search td {
     padding: 0 5px 0 0;
 }
 
 .toolbar-search td > span {
     display: flex;
@@ skipping 2573 matching lines @@
 }
 
 .root-view > .split-view > .split-view-sidebar {
     position: relative;
 }
 
 select.drop-down-menu {
     border: none;
     -webkit-appearance: none;
 }