Fixes: occasional crash during MKeyboardHost construction
Fixes: occasional crash during MKeyboardHost construction

RevBy: Pekka Vuorela
Details: SharedHandleArea is constructed before MImCorrectionCandidateWidget,
that causes a region update which causes updateReactionMaps() to be called
and then correctionCandidateWidget->isVisible() causes a crash.

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