Optimize font loading

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NOTE: This should ideally be solved as part of the upcoming redesign, to prevent duplicate work.

Currently, we preload .ttf font files that are not used by modern browsers (which prefer woff2 or similar):

These are preloaded from the _document.tsx

Next steps

• See if this could be a good solution for us: https://nextjs.org/docs/app/building-your-application/optimizing/fonts