MCU: wrong Controls style in form editor and live preview

When using Qt Quick Controls in a Qt for MCUs application, the look and feel visible in QDS' form editor and live preview doesn't match what you see on the real device after compiling the application. In the picture below, the bottom left screenshot is how it looks like on device, while the rest is in QDS.

To fix this issue, QDS would need to ship a Qt version of the MCU style (https://git.qt.io/sihausma/qtultralight/-/tree/master/src/controls/styles/Default)