feat: dictate next signer (#1719)

Adds next recipient dictation functionality to document signing flow,
allowing assistants and signers to update the next recipient's
information during the signing process.

## Related Issue

N/A

## Changes Made

- Added form handling for next recipient dictation in signing dialogs
- Implemented UI for updating next recipient information
- Added e2e tests covering dictation scenarios:
  - Regular signing with dictation enabled
  - Assistant role with dictation
  - Parallel signing flow
  - Disabled dictation state

## Testing Performed

- Added comprehensive e2e tests covering:
  - Sequential signing with dictation
  - Assistant role dictation
  - Parallel signing without dictation
  - Form validation and state management
- Tested on Chrome and Firefox
- Verified recipient state updates in database

packages/lib/server-only/document-meta/upsert-document-meta.ts

@@ -24,6 +24,7 @@ export type CreateDocumentMetaOptions = {
   redirectUrl?: string;
   emailSettings?: TDocumentEmailSettings;
   signingOrder?: DocumentSigningOrder;
+  allowDictateNextSigner?: boolean;
   distributionMethod?: DocumentDistributionMethod;
   typedSignatureEnabled?: boolean;
   language?: SupportedLanguageCodes;
@@ -41,6 +42,7 @@ export const upsertDocumentMeta = async ({
   password,
   redirectUrl,
   signingOrder,
+  allowDictateNextSigner,
   emailSettings,
   distributionMethod,
   typedSignatureEnabled,
@@ -93,6 +95,7 @@ export const upsertDocumentMeta = async ({
         documentId,
         redirectUrl,
         signingOrder,
+        allowDictateNextSigner,
         emailSettings,
         distributionMethod,
         typedSignatureEnabled,
@@ -106,6 +109,7 @@ export const upsertDocumentMeta = async ({
         timezone,
         redirectUrl,
         signingOrder,
+        allowDictateNextSigner,
         emailSettings,
         distributionMethod,
         typedSignatureEnabled,