Update gallery editing to work with the modal changes. Add nice handling for default states.

Props koopersmith
see #21776


git-svn-id: https://develop.svn.wordpress.org/trunk@22984 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/js/media-editor.js

@@ -304,7 +304,7 @@
 					editing:   true,
 					multiple:  true,
 					selection: selection
-				});
+				}).open();
 
 				return this.frame;
 			}

wp-includes/js/media-views.js

@@ -1141,6 +1141,14 @@
 			this.on( 'attach', _.bind( this.views.ready, this.views ), this );
 		},
 
+		render: function() {
+			// Activate the default state if no active state exists.
+			if ( ! this.state() && this.options.state )
+				this.setState( this.options.state );
+
+			return media.view.Frame.prototype.render.apply( this, arguments );
+		},
+
 		createIframeStates: function( options ) {
 			var settings = media.view.settings,
 				tabs = settings.tabs,