I’ve had confirmation today that this issue will be fixed for SU15.  As you say, there is a work around by pressing ALT+ENTER when you reach the main menu! 
Thanks
The MSFS Team
I’ve had confirmation today that this issue will be fixed for SU15.  As you say, there is a work around by pressing ALT+ENTER when you reach the main menu! 
Thanks
The MSFS Team