Bug report

There is empty title attribute of PDFViewer zoom level combobox

Reproduction of the problem

1. Go to https://demos.telerik.com/kendo-ui/pdfviewer/index
2. Inspect the zoom level combobox

Current behavior

Empty "title" attribute

Expected/desired behavior

The "title" attribute of the combobox explains the purpose of the combobox, e. g. Zoom level combobox

Environment

• Kendo UI version: 2020.2.617
• Browser: all