[new compiler] Fix group property initializers
[new compiler] Fix group property initializers

Bindings with an object initializer without a type name must be
group properties, instead of regular object bindings. Fixes

    font {
        pixelSize: 24
    }

versus

    font.pixelSize: 24

Change-Id: I468caa48be13f91f88545ef001ac9aaa46ba5d14
Reviewed-by: Lars Knoll <a812617a4072dcbeb80684eca0f369f0083af109@digia.com>

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