feat: enhance document attachment handling and audit logging

- Added support for attachment updates in the updateDocument functionc.
- Introduced new audit log type for document attachments updates.
- Updated ZDocumentAuditLog schemas to include attachment-related events.
- Modified AddSettingsFormPartial to handle attachment IDs and types correctly.
- Set default value for attachment type in the Prisma schema.

packages/prisma/schema.prisma

@@ -323,7 +323,7 @@ enum AttachmentType {
 
 model Attachment {
   id        String         @id @default(uuid())
-  type      AttachmentType
+  type      AttachmentType @default(LINK)
   label     String
   url       String
   createdAt DateTime       @default(now())