Respect the link to setting when inserting a gallery.

Props SergeyBiryukov
fixes #23298


git-svn-id: http://core.svn.wordpress.org/trunk@24161 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/media-editor.js

@@ -259,6 +259,7 @@
 				icontag:    'dt',
 				captiontag: 'dd',
 				columns:    '3',
+				link:       'post',
 				size:       'thumbnail',
 				orderby:    'menu_order ID'
 			},

wp-includes/media-template.php

@@ -347,12 +347,12 @@ function wp_print_media_templates() {
 					data-user-setting="urlbutton"
 				<# } #>>
 
-				<option value="file" selected>
-					<?php esc_attr_e('Media File'); ?>
-				</option>
-				<option value="post">
+				<option value="post" selected>
 					<?php esc_attr_e('Attachment Page'); ?>
 				</option>
+				<option value="file">
+					<?php esc_attr_e('Media File'); ?>
+				</option>
 			</select>
 		</label>