Bug report

A Dialog button action is executed twice when using keyboard navigation in Firefox.

Reproduction of the problem

1. Open this example - https://dojo.telerik.com/@martin.tabakov@progress.com/ULEnAmIv
2. Navigate to the Save button using Tab.
3. Press space and open the browser console.

Current behavior

The action for the Save button is triggered twice.

Expected/desired behavior

The action for the Save button should trigger only once.

Environment

• Kendo UI version: 2021.2.616
• Browser: [Firefox]