Media Grid: after completing a Bulk action, switch from `select` to `edit` mode.

Fixes #28842.

Built from https://develop.svn.wordpress.org/trunk@29566


git-svn-id: http://core.svn.wordpress.org/trunk@29340 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/media-grid.js

@@ -583,12 +583,17 @@
 		initialize: function() {
 			media.view.Button.prototype.initialize.apply( this, arguments );
 			this.listenTo( this.controller, 'select:activate select:deactivate', this.toggleBulkEditHandler );
+			this.listenTo( this.controller, 'selection:action:done', this.back );
+		},
+
+		back: function () {
+			this.controller.deactivateMode( 'select' ).activateMode( 'edit' );
 		},
 
 		click: function() {
 			media.view.Button.prototype.click.apply( this, arguments );
 			if ( this.controller.isModeActive( 'select' ) ) {
-				this.controller.deactivateMode( 'select' ).activateMode( 'edit' );
+				this.back();
 			} else {
 				this.controller.deactivateMode( 'edit' ).activateMode( 'select' );
 			}

wp-includes/js/media-views.js

@@ -5864,7 +5864,7 @@
 					controller: this.controller,
 					priority: -60,
 					click: function() {
-						var model, changed = [],
+						var model, changed = [], self = this,
 							selection = this.controller.state().get( 'selection' ),
 							library = this.controller.state().get( 'library' );
 
@@ -5901,6 +5901,7 @@
 						if ( changed.length ) {
 							$.when.apply( null, changed ).then( function() {
 								library._requery( true );
+								self.controller.trigger( 'selection:action:done' );
 							} );
 						}
 					}