[WebToolsE2E][Aspire][Unstable] Create a web project with check 'Enlist in Aspire orchestration', code "builder.AddProject<Projects.WebApplication1>("webapplication1");" is not loaded

[v-bennettyue]

REGRESSION INFO: Worked in Dev17.11 P2 (Includes Aspire 8.0.0)

INSTALL STEPS

1. Clean machine: Win11 x64 23h2 ENU
2. Install VS 17.12 Preview 1 from main branch
   • Web workload
   • Includes Aspire 8.0.0

REPRO STEPS

1. New Project > Razor Page > .NET 8.0 > checked 'Enlist in Aspire orchestration' > Create
2. After creating successfully, open Program.cs file of the AppHost project

ACTUAL
Code "builder.AddProject<Projects.WebApplication1>("webapplication1");" is not loaded

After running, there is nothing in the dashboard page

EXPECTED