Describe the bug

With manifest mode and workload installed, Unhandled exception occurs when running 'dotnet workload --info using global.json

To Reproduce

1. Install .NET 8.0.400 SDK

2. Install workload eg. aspire
   dotnet workload install aspire
   

3. New a global.json and add workloadverion to this file under a new folder

    c:\tt\TestWithGloabalJson
    cd c:\tt\TestWithGloabalJson
    dotnet new global.json

    {
      "sdk": {
        "version": "8.0.400",
        "workloadVersion": "8.0.400"
      }
    }

4. Run dotnet workload --info and observe

Expected Result

Proper suggestion without any exception. eg. 'dotnet workload list'

Actual Result

Unhandled exception: