Documentation should not suggest `fallback: false` for Typst

[mcanouil]

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Description

From https://quarto.org/docs/advanced/typst/brand-yaml.html#missing-fonts-in-typst

The documentation suggests to use #set text(fallback: false), but it really shouldn't as it will break callouts icons which needs this to properly display the icon from the FontAwesome font.

See, the example below where Typst shows a tofu box (☒) instead of falling back to other fonts, namely the fontawesome one.

---
format: typst
---

```{=typst}
#set text(fallback: false)
```

::: {.callout-note}

{{< lipsum 1 >}}

:::