Fixes: Navigation bar not coming back after vkb close.
Fixes: Navigation bar not coming back after vkb close.

RevBy: Hannu Koivisto
Details: Vkb plugin left MInputMethodState in a wrong state with
inputMethodArea containing invalid area from toolbar, after vkb close.
We should hide the whole shared handle area (which is parent of toolbar)
when input method is not enabled.

RHawkeyed/plugins,maliit/plugins,develersrl/maliit-demo-qml,maliit/plugins,develersrl/maliit-demo-qml,KDE/plasma-maliit-plugins,KDE/plasma-maliit-plugins,develersrl/maliit-demo-qml,RHawkeyed/plugins,RHawkeyed/plugins,KDE/plasma-maliit-plugins,maliit/plugins,develersrl/maliit-demo-qml,maliit/plugins,RHawkeyed/plugins,RHawkeyed/plugins,KDE/plasma-maliit-plugins