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/app-tests/e2e/document-auth/action-auth.spec.ts

@@ -210,7 +210,7 @@ test('[DOCUMENT_AUTH]: should allow field signing when required for recipient au
         }),
       },
     ],
-    fields: [FieldType.DATE],
+    fields: [FieldType.DATE, FieldType.SIGNATURE],
   });
 
   for (const recipient of recipients) {
@@ -307,7 +307,7 @@ test('[DOCUMENT_AUTH]: should allow field signing when required for recipient an
         }),
       },
     ],
-    fields: [FieldType.DATE],
+    fields: [FieldType.DATE, FieldType.SIGNATURE],
     updateDocumentOptions: {
       authOptions: createDocumentAuthOptions({
         globalAccessAuth: null,