The Upload's upload button is not clickable on Mac in Safari

[martintabakov]

Describe the bug

The upload button is not clickable on Mac in Safari

Workaround - http://dojo.telerik.com/egUMImEp/3

To reproduce Steps to reproduce the behavior:

1. Open this Dojo example on Mac in Safari - https://dojo.telerik.com/iRiVEYUS
2. Select a file
3. Try to click the Upload button

Expected behavior

The upload button should be clickable

Affected package (please remove the unneeded items)

• theme-default
• theme-bootstrap
• theme-material
• theme-tasks

Affected suites (please remove the unneeded items)

• Kendo UI for jQuery

Affected browsers (please remove the unneeded items)

• Safari

Build system information (please remove the unneeded items)

• OS: Mac