Draggable gesture gets scaled in a Viewbox

[eksperts]

Fuse 1.4.0 build 14778, macOS.

<App>
    <Viewbox Width="300" Height="300">
        <Panel Width="900" Height="900" Color="#222">
            <Panel Color="#f00" Width="200" Height="200">
                <Draggable />
            </Panel>
        </Panel>
    </Viewbox>
</App>

The drag gesture gets scaled too, making the rectangle move 3x slower than the pointer dragging it.

Note: it is reported that draggable bounds might be calculated incorrectly, too.

[fusebuild]

The forum thread Scaling Draggable within Viewbox posted by Luke was linked to this issue.