[WebToolsE2E] Using VS Code C# Dev Kit, when we add Aspire orchestration to web app, it missed adding some lines of code in Program.cs of the AppHost and web app projects

[balachir]

REGRESSION INFO: Not a regression

INSTALL STEPS

1. Clean machine: Win11 x64 ENU
2. Install SDK 9.0.200 (latest-released-version)
3. Install Aspire templates 9.1 (latest-released-version)
   • dotnet new install Aspire.ProjectTemplates
4. Install VS Code + C# Dev Kit extension (latest pre-release version 1.17.48)

REPRO STEPS

1. Using VS Code, create new 9.0 ASP.NET Web App (Razor Pages) > WebAppRp01

2. In Solution Explorer, right-click solution node > Add .NET Aspire Orchestration > select WebAppRp01 as the project to be orchestrated

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3. For the names of AppHost and ServiceDefaults projects, set the values to be WebAppRp01.AppHost and WebAppRp01.ServiceDefaults.

ACTUAL
Aspire orchestration support gets added but it is incomplete

1. In the Program.cs of WebAppRp01.AppHost, the critical line of adding the web app project to the IDistributedApplicationBuilder is missing. Without this line, the dashboard will be blank when we run the AppHost.

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2. In the Program.cs of WebAppRp01.AppHost, the lines of builder.AddServiceDefaults and builder.MapDefaultEndpoints are missing

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EXPECTED
Missing orchestration support code should get properly added

1. In the Program.cs of WebAppRp01.AppHost, we should add the web app project to the IDistributedApplicationBuilder as follows.

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2. In the Program.cs of WebAppRp01.AppHost, the lines of builder.AddServiceDefaults and builder.MapDefaultEndpoints are missing

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