bug(autocomplete): fix undefined error in autocomplete component (#562)
bug(autocomplete): fix undefined error in autocomplete component (#562)

* bug(autocomplete): fix undefined error in autocomplete component

* fix lint error
aurelia-ui-toolkits/aurelia-materialize-bridge,aurelia-ui-toolkits/aurelia-materialize-bridge,aurelia-ui-toolkits/aurelia-materialize-bridge