Fix an issue where PDF export URLs were not bringing their query params.

[emmerich]

When we rewrite the URL in the middleware, we were losing the query params of the original request. This fixes that.

Here's an example of it working now: https://gitbook-v2-7p90urrx2-gitbook.vercel.app/url/gitbook.com/docs/~gitbook/pdf?page=DfnNkU49mvLe2ythHAyx&only=yes&limit=100

[changeset-bot]

🦋 Changeset detected

Latest commit: 2b209c0

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
gitbook-v2	Patch

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[github-actions]

Summary of the deployments:

Version 1

Version	URL	Status
Latest commit	https://0c86313e.gitbook-open.pages.dev	✅
PR	https://pr3351.gitbook-open.pages.dev	✅

Version 2

Version	URL	Status
Vercel	https://gitbook-v2-57r56zgwg-gitbook.vercel.app	✅
Cloudflare	https://ca74cedb-gitbook-open-v2-preview.gitbook.workers.dev	✅

Test content

Site	v1	2v	2c
GitBook	https://0c86313e.gitbook-open.pages.dev/gitbook.com/docs	https://gitbook-v2-57r56zgwg-gitbook.vercel.app/url/gitbook.com/docs	https://ca74cedb-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.com/docs
E2E	https://0c86313e.gitbook-open.pages.dev/gitbook.gitbook.io/test-gitbook-open	https://gitbook-v2-57r56zgwg-gitbook.vercel.app/url/gitbook.gitbook.io/test-gitbook-open	https://ca74cedb-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.gitbook.io/test-gitbook-open

[argos-ci]

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Build	Status	Details	Updated (UTC)
customers-v1 (Inspect)	✅ No changes detected	-	Jun 18, 2025, 12:07 PM
customers-v2 (Inspect)	👍 Changes approved	77 changed	Jun 18, 2025, 12:10 PM
default (Inspect)	👍 Changes approved	1 added	Jun 18, 2025, 12:11 PM
v2-cloudflare (Inspect)	⚠️ Changes detected (Review)	4 changed, 1 added	Jun 18, 2025, 12:12 PM
v2-vercel (Inspect)	👍 Changes approved	4 changed, 1 added	Jun 18, 2025, 12:12 PM