Weird issue when including Aspire in the solution

[sadukie]

Versions

• .NET SDK Version: 9.0.100

Visual Studio Version:

Steps to Reproduce:

1. Install v10.0.0 of this template with Aspire using this command: dotnet new clean-arch --aspire -o CleanArchAspire
2. Notice the output:

The template "ASP.NET Clean Architecture Solution" was created successfully.

Processing post-creation actions...
Adding
    project(s): C:\Users\saduk\source\repos\CleanArchAspire\src\CleanArchAspire.AspireHost\CleanArchAspire.AspireHost.csproj C:\Users\saduk\source\repos\CleanArchAspire\src\CleanArchAspire.ServiceDefaults\CleanArchAspire.ServiceDefaults.csproj C:\Users\saduk\source\repos\CleanArchAspire\tests\CleanArchAspire.AspireTests\CleanArchAspire.AspireTests.csproj
    to solution file: C:\Users\saduk\source\repos\CleanArchAspire\CleanArchAspire.sln
    solution folder:
Solution C:\Users\saduk\source\repos\CleanArchAspire\CleanArchAspire.sln already contains project src\CleanArchAspire.AspireHost\CleanArchAspire.AspireHost.csproj.
Solution C:\Users\saduk\source\repos\CleanArchAspire\CleanArchAspire.sln already contains project src\CleanArchAspire.ServiceDefaults\CleanArchAspire.ServiceDefaults.csproj.
Project `tests\CleanArchAspire.AspireTests\CleanArchAspire.AspireTests.csproj` added to the solution.
Successfully added project(s) to a solution file.

The solution file already contains 2 of the projects that are getting added. This doesn't seem right.

The fix for this may also be related to #883

[sadukie]

Also fixed in #941