Polyglot Notebook: [DevExE2E][Regression]After running mermaid markdown, no graphic visualization shows in VS Code.

[v-yangpei]

Describe the bug

After running mermaid markdown, the output shows nothing in VS Code.

Note: 1. It's a regression issue. We doesn't repro when running these cells on - VSCodeSetup-x64-1.99.0+ dotnet-interactive-vscode-1.0.6207011.vsix + dotnet-sdk-9.0.202-win-x64. 2.Repro VM:172.16.194.232

Detailed Repro Build info:

VSCodeSetup-x64-1.100.1 + dotnet-interactive-vscode-1.0.6262011.vsix + dotnet-sdk-9.0.300-win-x64 Build Link: https://code.visualstudio.com/download#+ Vsix: https://dev.azure.com/dnceng/internal/_build/results?buildId=2707541&view=artifacts&pathAsName=false&type=publishedArtifacts sdk info: dotnet-sdk-9.0.300-win-x64

Steps:

1.Open the notebook from https://github.com/dotnet/interactive/blob/main/NotebookTestScript.dib. 2.Run mermaid markdown. 3.Check the output in VS Code.

Expected Results: Execute the markadown in the cell, this should produce a graphic visualization.

Actual Results:

Details please refer to ”Repro1.gif“

Please complete the following:

Which version of .NET Interactive are you using? (In a notebook, run the #!about magic command. ):

• OS
  • [√ ] Windows 11
  • [ ] Windows 10
  • [ ] macOS
  • [ ] Linux (Please specify distro)
  • [ ] iOS
  • [ ] Android
• Browser
  • [ ] Chrome
  • [ ] Edge
  • [ ] Firefox
  • [ ] Safari
• Frontend
  • [ ] Jupyter Notebook
  • [ ] Jupyter Lab
  • [ ] nteract
  • [ √] Visual Studio Code
  • [ ] Visual Studio Code Insiders
  • [ ] Visual Studio
  • [ ] Other (please specify)

Screenshots

If applicable, please add screenshots of the entire VS Code window.