feat: add pdf image renderer (#2554)

## Description

Replace the PDF renderer with an custom image renderer.

This allows us to remove the "react-pdf" dependency and allows us to use
a virtual list to improve performance.

packages/trpc/server/envelope-router/create-envelope-items.types.ts

@@ -33,6 +33,7 @@ export const ZCreateEnvelopeItemsResponseSchema = z.object({
     title: true,
     envelopeId: true,
     order: true,
+    documentDataId: true,
   }).array(),
 });