Add support for `attachment_fields_to_edit` in the attachment details modal. props ericlewis. fixes #28991, see #24716.

git-svn-id: https://develop.svn.wordpress.org/trunk@29278 602fd350-edb4-49c9-b593-d223f7449a82

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

@@ -440,6 +440,16 @@
 				controller: this,
 				model:      this.model
 			});
+
+			/**
+			 * Attach a subview to display fields added via the
+			 * `attachment_fields_to_edit` filter.
+			 */
+			contentRegion.view.views.set( '.attachment-compat', new media.view.AttachmentCompat({
+				controller: this,
+				model:      this.model
+			}) );
+
 			// Update browser url when navigating media details
 			if ( this.model ) {
 				this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id ) );
@@ -678,4 +688,4 @@
 		}
 	});
 
-}(jQuery, _, Backbone, wp));
+}(jQuery, _, Backbone, wp));

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

@@ -6407,6 +6407,8 @@
 	/**
 	 * wp.media.view.AttachmentCompat
 	 *
+	 * A view to display fields added via the `attachment_fields_to_edit` filter.
+	 *
 	 * @constructor
 	 * @augments wp.media.View
 	 * @augments wp.Backbone.View

src/wp-includes/media-template.php

@@ -386,6 +386,7 @@ function wp_print_media_templates() {
 						<span class="value"><a href="{{ data.uploadedToLink }}">{{ data.uploadedToTitle }}</a></span>
 					</label>
 				<# } #>
+				<div class="attachment-compat"></div>
 			</div>
 
 			<a class="view-attachment" href="{{ data.link }}"><?php _e( 'View attachment page' ); ?></a> |