Fully qualified components look bad

Presumably broken by my start tag mapping:

<img width="780" height="52" alt="Image" src="https://github.com/user-attachments/assets/e97d0208-477d-468a-966e-0c729fae8e95" />

Razor semantic tokens is supposed to override C# semantic tokens, but clearly that doesn't happen if there is a fully qualified component name. We probably don't have any test coverage for that.