iOS: do not autofocus the readonly textarea with the code for wp-config.php in setup-config.php.

See #30703.

git-svn-id: https://develop.svn.wordpress.org/trunk@30843 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/setup-config.php

@@ -308,9 +308,11 @@ switch($step) {
 <p class="step"><a href="<?php echo $install; ?>" class="button button-large"><?php _e( 'Run the install' ); ?></a></p>
 <script>
 (function(){
+if ( ! /iPad|iPod|iPhone/.test( navigator.userAgent ) ) {
 	var el = document.getElementById('wp-config');
 	el.focus();
 	el.select();
+}
 })();
 </script>
 <?php