[Interest] QQmlPropertyMap inside a QList, signal valueChanged isn't emitted maybe?

[Maxime Roussin-Bélanger]

Hello,

I have something like this:

`Q_PROPERTY(QList<QQmlPropertyMap*> myList ...)`

And in QML I tried to do something like this:

```
Item {
    ListModel {
        id: myListModel
    }

StackLayout {
    Repeater {
        model: myListModel

        GridLayout {
                 CheckBox {
                     Component.onCompleted: {
                         checked = model.enable;
                      }
                      onCheckStateChanged: function () {
                          model.enable = enableCheckbox.checked;
                      }
             }
         }
    }
    Component.onCompleted: function () {
        for (let i = 0; i < myContextObject.myList.length; i++) {
            myListModel.append(myContextObject.myList[i]);
        }
    }
}
```

In my C++, I have connected individually each QQmlPropertyMap to a slot
with the valueChanged signal.

Looks something like this:

```
    auto* firstObject = new QQmlPropertyMap(this);
    QObject::connect(firstObject,
                     &QQmlPropertyMap::valueChanged,
                     this,
                     [this](const QString& key, const QVariant& value)
                     {
                         this->slot(0, key, value);
                     });
     myList.append(firstObject);
```

I was expecting my slot to be called, but it's not. What am I missing?

Thanks,
Max
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