Using product id property vs context property in a base item has different values

import qbs 1.0

Product {
    id: baseId

    property bool myBool: false

    Group {
        qbs.install: {
            console.error("Test:" + baseId.myBool + " " + myBool)
            return baseId.myBool
        }
        fileTagsFilter: ["qml"]
    }
}

import "BaseProduct.qbs" as BaseProduct

BaseProduct {
    myBool: true
}