Combobox demo: Fix padding on input for alignment with button. Fixes #6729 - Combobox: Incorrect button size

Author: jzaefferer

demos/autocomplete/combobox.html

@@ -16,7 +16,7 @@
 	<style>
 	.ui-button { margin-left: -1px; }
 	.ui-button-icon-only .ui-button-text { padding: 0.35em; } 
-	.ui-autocomplete-input { margin: 0; padding: 0.48em 0 0.47em 0.45em; }
+	.ui-autocomplete-input { margin: 0; padding: 0.4em 0 0.4em 0.45em; }
 	</style>
 	<script>
 	(function( $ ) {