Media Grid: Add a View button to Attachment Details modal.

props adamsilverstein.
fixes #28977.
Built from https://develop.svn.wordpress.org/trunk@29262


git-svn-id: http://core.svn.wordpress.org/trunk@29045 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/media-template.php

@@ -297,6 +297,8 @@ function wp_print_media_templates() {
 						<a class="button edit-image" href="#"><?php _e( 'Edit Image' ); ?></a>
 					<# } #>
 
+					<a class="button view-attachment" href="#"><?php _e( 'View' ); ?></a>
+
 					<# if ( ! data.uploading && data.can.remove ) { #>
 						<?php if ( MEDIA_TRASH ): ?>
 							<a class="trash-attachment" href="#"><?php _e( 'Trash' ); ?></a>