[WebToolsE2E][Aspire] In VSCode/CLI, update the TargetFramework of the Aspire project from net9.0 to net10.0. After running the project, the dashboard page is blank.

[v-reinawang]

INSTALL STEPS

1. Install SDK 10.0 [10.0.100-alpha.1.24571.14]
2. dotnet nuget add source "dotnet10"
3. Install Aspire 9.0 template
   • Run dotnet new install Aspire.ProjectTemplates::9.0.0

REPRO STEPS

1. Open CMD, run following command to create an Aspire Starter App project

dotnet new aspire-starter -o aspire1
cd aspire1/aspire1.AppHost

2. Manually update the TargetFramework of all projects from net9.0 to net10.0
3. Use dotnet run to run the project

NOTE: In Visual Studio, update the TargetFramework of the Aspire project from net9.0 to net10.0 and run the project. The dashboard can be displayed normally.

ACTUAL
Aspire dashboard page is blank.

EXPECTED
Aspire dashboard page can be displayed normally.