Allow attachments to be Detached from their parent in media grid and list modes.

See #6820.


git-svn-id: https://develop.svn.wordpress.org/trunk@31619 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/media-template.php

@@ -418,6 +418,9 @@ function wp_print_media_templates() {
 						<# } else { #>
 							<span class="value">{{ data.uploadedToTitle }}</span>
 						<# } #>
+						<# if ( data.nonces.edit ) { #>
+						<a class="detach-from-parent" data-id="{{ data.id }}" href="#">(<?php _e( 'Detach' ); ?>)</a>
+						<# } #>
 					</label>
 				<# } #>
 				<div class="attachment-compat"></div>