Changes: Restrict popup appearing only on newest touch point.
Changes: Restrict popup appearing only on newest touch point.

RevBy: TrustMe
Details: This avoids annoying flickering when pressing multiple keys.

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