Broken language selector UI in create-a-pulumi-project site

[arturl]

What happened?

1. Navigate to https://www.pulumi.com/learn/pulumi-fundamentals/create-a-pulumi-project/
2. Try to click C# under "Initialize your project". C# option doesn't work, the page continues showing typescript:

Expected behavior:

Language changes to csharp

Example

N/A

Output of pulumi about

N/A

Additional context

No response

Contributing

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