Double click on QML Button is considered as two single clicks

Double click on QML button is emitting two single clicks even onDoubleClicked is defined.
Please refer to the attached sample.
Steps to reproduce:

Double click on "Show Form 2" button
You will observe that handler for onClicked is called and as the button in the new form is at the same position, next click is passed to it.

The expected result is that onDoubleClick handler should be called on double click on button