Code review comment for lp:~mzanetti/unity8/dash-as-app

> $ make tryShell
> 1 - launch an app from the launcher
> 2 - tap on it
> <vkb shows up>
> 3 - do a left edge drag
>
> expected result:
> vkb should go away as soon as the app window starts moving righwards.
> Just like when you start a right-edge gesture.
>
> actual result:
> vkb goes away only once you finish the gesture
>
> vkb going away means the MirSurfaceItem losing focus which on its turn means
> the SpreadDelegate.interactive going false.

another good catch. fixed.