[Boot2Qt ]The demo app launched from welcome screen is closed when the user clicks in top right corner

Linux Ubuntu 22.04 

Qt Creator 12.0.2

Device: Raspberry Pi4 64 bit 

Steps to reproduce:

1. Create Boot2Qt image.
2. Run the device with the image.
3. Open any app from the welcome screen.
4. Click on the top right corner (use To Do demo app and try to click settings tab). 

Expected: Nothing happens and the user should enter setting if the button is clicked.

Actual: The app is closed, because most likely the close button (which is hidden) receive the click. 

Reproducibility: 100%