[Boot2Qt][Wayland] Cannot maximize/minimize the app window in fancy compositor example

MacOS 15.3.2

Qt Creator 16.0.0

Qt 6.9.0

Device: Raspberry Pi4 64 bit with Qt 6.9.0

Steps to reproduce:

1. Run fancy compositor example on the hardware and run any other application in this compositor.
2. Try to maximize the window

Expected: The is displayed in full screen.

Actual: The window could not be maximized. Each time I click the button I see:

Can't configure xdg_toplevel with an invalid size QSize(-1, -1)

Reproducibility:  100%