Preview
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Additionally, how come
```qml
import QtQuick
import QtQuick.Controls 2.15 as QQC2
import QtQuick.Layouts
import QtPositioning
```
and prepension of `QQC2` before `Action`, `Button`, `ApplicationWindow`, and `Frame` doesn't work, whereas
```qml
import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import QtPositioning
import QtQuick.Controls 2.15 as QQC2
```
and addition of `QQC2.Button` (per https://discuss.kde.org/t/qml-pyqt6-cant-get-native-control-appearance/1240/2?u=rokejulianlockhart) does?
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