chore(sample): use arrays instead of nodelist
chore(sample): use arrays instead of nodelist

https://github.com/aurelia-ui-toolkits/aurelia-kendoui-bridge/issues/593

aurelia-ui-toolkits/aurelia-kendoui-plugin,aurelia-ui-toolkits/aurelia-kendoui-bridge,aurelia-ui-toolkits/aurelia-kendoui-bridge,aurelia-ui-toolkits/aurelia-kendoui-plugin