Accessibility: match the visual and tab order in the Media Modal grid.

By moving the Details sidebar after the attachments grid, the tab order is
greatly improved for keyboard users and matches the logical and visual order.

Fixes #36909.
Built from https://develop.svn.wordpress.org/trunk@37610

Author: afercia

wp-includes/js/media-views.js

@@ -3772,11 +3772,11 @@ AttachmentsBrowser = View.extend({
 		this.controller.on( 'toggle:upload:attachment', this.toggleUploader, this );
 		this.controller.on( 'edit:selection', this.editSelection );
 		this.createToolbar();
+		this.createUploader();
+		this.createAttachments();
 		if ( this.options.sidebar ) {
 			this.createSidebar();
 		}
-		this.createUploader();
-		this.createAttachments();
 		this.updateContent();
 
 		if ( ! this.options.sidebar || 'errors' === this.options.sidebar ) {