`wp.media.view.Button` should create `<button>`s, not `<a href="#">`s.

Props afercia.
See #32236.


git-svn-id: https://develop.svn.wordpress.org/trunk@32464 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/js/media-views.js

@@ -4211,9 +4211,9 @@ module.exports = ButtonGroup;
  * @augments Backbone.View
  */
 var Button = wp.media.View.extend({
-	tagName:    'a',
+	tagName:    'button',
 	className:  'media-button',
-	attributes: { href: '#' },
+	attributes: { type: 'button' },
 
 	events: {
 		'click': 'click'

src/wp-includes/js/media/views/button.js

@@ -9,9 +9,9 @@
  * @augments Backbone.View
  */
 var Button = wp.media.View.extend({
-	tagName:    'a',
+	tagName:    'button',
 	className:  'media-button',
-	attributes: { href: '#' },
+	attributes: { type: 'button' },
 
 	events: {
 		'click': 'click'