try.dot.net not displaying results on Firefox

[krwq]

Describe the bug

When I click Run button on try.dot.net it briefly shows "Running" then it disappears but I see no results. When I click Run again then then the results shows up. It worked some time ago (can't pinpoint exactly when it stopped working)

Did this error occur while using dotnet try or online?

• [ ] dotnet-try
• [X] online

What kind of error was it?

• [X] User Interface (UI): For example the output never displayed
• [ ] Service Error: For example "The service is temporarily unavailable. We are working on it"
• [ ] Other:

Please complete the following:

• OS
  • [X] Windows 10
  • [ ] macOS
  • [ ] Linux (Please specify distro)
  • [ ] iOS
  • [ ] Android
• Browser
  • [ ] Chrome
  • [ ] Edge
  • [ ] Safari
  • [X] Firefox