UUF: Try.NET space just spins

### Type of issue

Code doesn't work

### Description

The playground for running the code keeps loading and doesn't work.

### Page URL

https://learn.microsoft.com/en-us/dotnet/api/system.string.trimstart?view=net-8.0

### Content source URL

https://github.com/dotnet/dotnet-api-docs/blob/main/xml/System/String.xml

### Document Version Independent Id

feaee2f1-85dc-7793-b693-853e95f54f39

### Article author

@dotnet-bot @gewarren