[Blazor][Validation] Graceful disconnection

[javiercn]

• Create a new blazor server-side application.
• Modify the logging to turn on Debug logging for Microsoft.AspNetCore.Components
• The following steps need to be performed with each browser. Chrome, Edge, Firefox
• Scenario 1 (Closing the browser window):
  • Run the application with dotnet run and pipe the output to a file.
    • Close the browser.
    • Close the application.
    • Check the log messages for terminated gracefully.
• Scenario 2 (Navigating to a different origin):
  • Add a link on the template to a different site. (www.bing.com for example).
  • Run the application with dotnet run and pipe the output to a file.
    • Navigate to the external site clicking the link.
    • Close the application.
    • Check the log messages for terminated gracefully.
• Scenario 3 (Refreshing the page):
  • Run the application with dotnet run and pipe the output to a file.
    • Close the browser.
    • Press F5 to reload the page.
    • Close the application.
    • Check the log messages for terminated gracefully.

[javiercn]

Validated by deploying an app to app service, turning up the logs for app insights and ensuring we can find the events in the logs