`render` does not display Greek letters in `\mathtt`

Running

```julia
L"\mathtt{A.μ}" |> render
```
displays

<img width="104" height="84" alt="Image" src="https://github.com/user-attachments/assets/8bd218b8-d6f5-471b-a5d5-e885785da5af" />

I noticed this because Symbolics.jl places namespaced variables inside `\mathtt` by default