[REG: 6.2.11 -> 6.2.12] [REG: 6.5.4 -> 6.5.5] comapp - Output screen is blank when running

Description:-

The application launches successfully but the output screen remains blank on Qt 6.2.12 and fails to build on Qt 6.5.5. error states that "main.moc" file not found.

Steps to Reproduce:

1. Build and Run COM App Example (ActiveQt) on using Qt 6.2.12 or 6.5.5
 
Expected Result: The application should display the expected output on the user interface as demonstrated in the comapp example.

Actual Result: Upon running the application, the output screen remains blank with no content displayed on the user interface on 6.2.12 and fails to build on 6.5.5.

Additional information: Example fails to build on 6.5.5 with the following error:

C:\Qt\Examples\Qt-6.5.5\activeqt\build-comapp-Desktop_Qt_6_5_5_MinGW_64_bit-Debug\comappDebug.idl'midl' is not recognized as an internal or external command,
operable program or batch file.
ninja: build stopped: subcommand failed.
02:51:29: The process "C:\Qt\Tools\CMake_64\bin\cmake.exe" exited with code 1.
Error while building/deploying project comapp (kit: Desktop Qt 6.5.5 MinGW 64-bit)
When executing step "Build"
02:51:29: Elapsed time: 00:01.
 

Environment:

• Operating System: windows
• Qt Version: 6.2.12 6.5.5