isDynamic render validation

[plckr]

This PR solves the render prop being defined as undefined

Fixes Issue #3122

I was unable to run the project locally due to some errors, fix is very simple, I'm optimistic it's enough, but can't be 100% sure. Can I have some help from any1?

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: a9536ad0e773b923af39633b544d9d0e621e3d83

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

This PR includes changesets to release 7 packages

Name	Type
@react-pdf/layout	Patch
@react-pdf/renderer	Patch
next-14	Patch
next-15	Patch
@react-pdf/vite-example	Patch
@react-pdf/e2e-node-cjs	Patch
@react-pdf/e2e-node-esm	Patch

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