5. Build the project and observe this error:
![image](https://github.com/user-attachments/assets/62dcabd9-7d3d-42c5-85be-b3dcac01cfd6)
The issue is that the buildtask emits --realsig- even though the projectfile and dependent props and targets do not mention it.
This pr fixes the issue by not emiting a value when realsig has not been specified.
There is no decent work around, other than build from the command line using dotnet build.
Repro: on a clean machine:
Edit the project file to resemble this: