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: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/46dde148e9589ceac527f41cfa159be34caa33f3/SearchDialog.js/buggy/mailnews/base/search/resources/content/SearchDialog.js