add: case "goto_folder_button": 
context:     supportsCommand: function(command)    {        switch(command) {        case "button_delete":        case "cmd_open":        case "file_message_button":            return true;        default:            return false;        }    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/40dfed30ccb262ba82c984f2c5271a2e40ed0b97/SearchDialog.js/clean/mailnews/base/search/resources/content/SearchDialog.js