Changes: MImToolbar verifies if it has valid layout
Changes: MImToolbar verifies if it has valid layout

RevBy: Michael Hasselmann

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