fix(draggable): fixed typo in class name
fix(draggable): fixed typo in class name

closes https://github.com/aurelia-ui-toolkits/aurelia-kendoui-bridge/issues/603

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