fix(mdx): better error when missing component

[wmertens]

and fix qwik api docs

[github-actions]

built with Refined Cloudflare Pages Action

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Name	Status	Preview	Last Commit
qwik-docs	✅ Ready (View Log)	Visit Preview	8c9cc4c

[gioboa]

Tests are failing though 😅

[changeset-bot]

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Latest commit: 8c9cc4c

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[wmertens]

fixes #7524

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/@builder.io/qwik@7525

npm i https://pkg.pr.new/@builder.io/qwik-city@7525

npm i https://pkg.pr.new/eslint-plugin-qwik@7525

npm i https://pkg.pr.new/create-qwik@7525

commit: e038343