Click/mouseRelease signals are not received by a button in a Popup if the InputPanel is placed in front of the Popup

See the example to reproduce the issue.

We want to put the InputPanel virtual keyboard in front of the Popup so we use parent: Overlay.overlay. But when doing that, Button in the Popup (here implemented via MousAarea) is not receiving mouse click/release events while the keyboard is active, even though keyboard and popup are in different locations.

It should be possible to interact with the controls in the Popup event if the InputPanel put in front of the Popup.