QmlDesigner: Refactor QmlItemNode::createQmlItemNodeFromImage

Change-Id: I1fa0eb94d36ae48bb131da2ceca75e19a4175a4d
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner: Rename actualState in currentState

Change-Id: I49f80126a3fc0184a3b18352ed2adc24e50040c7
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>