Fix QQuickTextInput not overriding shortcuts (del/home...)
Fix QQuickTextInput not overriding shortcuts (del/home...)

[ChangeLog][QtQuick] QQuickTextInput would not accept
delete/home/backspace/left/right keys when the key was used in a
shortcut.

Task-number: QTBUG-34517

Change-Id: I553af8247191ecdadcb4677e9fc85848270a95d3
Reviewed-by: Thomas Hartmann <588ee739c05aab7547907becfd1420d2b7316069@digia.com>
Reviewed-by: J-P Nurmi <b84a892f57a298bb5dae653b4e188948a84d5549@digia.com>

qmlc/qtdeclarative,mgrunditz/qtdeclarative-2d,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,qmlc/qtdeclarative,matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,qmlc/qtdeclarative,matthewvogt/qtdeclarative,qmlc/qtdeclarative,matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,qmlc/qtdeclarative,qmlc/qtdeclarative,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,qmlc/qtdeclarative,mgrunditz/qtdeclarative-2d,qmlc/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative