Widgets: Ensure that audio and video files appear in media library browser upon upload.

Props timmydcrawford.
Amends [40640].
See #32417, #39994, #39995.
Fixes #40803.

Built from https://develop.svn.wordpress.org/trunk@40836


git-svn-id: http://core.svn.wordpress.org/trunk@40687 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/widgets/media-widgets.js

@@ -255,7 +255,7 @@ wp.mediaWidgets = ( function( $ ) {
 				}
 			});
 			if ( specificMimes.length > 0 ) {
-				mime = specificMimes.join( ',' );
+				mime = specificMimes;
 			}
 
 			this.states.add([

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-beta2-40835';
+$wp_version = '4.8-beta2-40836';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.