Please address the comments from this code review:

## Overall Comments
- Since this change relies on mutating the original `message` object instead of cloning, double-check that no callers assume `patchMessageBeforeSending` is side-effect free; if they do, you may want to document or refactor those call sites.
- Consider adding a brief inline comment near the removed `JSON.parse(JSON.stringify(message))` explaining that cloning breaks Baileys `Long` instances, so future refactors don’t reintroduce a similar pattern.

## Individual Comments

### Comment 1
<location path="src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts" line_range="684" />
<code_context>
-        if (message.listMessage?.listType == proto.Message.ListMessage.ListType.PRODUCT_LIST) {
-          message = JSON.parse(JSON.stringify(message));
-
+        if (message.listMessage?.listType === proto.Message.ListMessage.ListType.PRODUCT_LIST) {
           message.listMessage.listType = proto.Message.ListMessage.ListType.SINGLE_SELECT;
         }
</code_context>
<issue_to_address>
**suggestion:** Consider consolidating the two listType checks into a small helper to avoid divergence.

There are two separate places converting `PRODUCT_LIST` to `SINGLE_SELECT` (for `deviceSentMessage.message.listMessage` and for `message.listMessage`). Extracting a helper like `normalizeListType(listMessage)` and using it in both cases would reduce duplication and keep behavior consistent if we need to update related properties or adapt to future proto/WhatsApp changes.

Suggested implementation:

```typescript
          message.deviceSentMessage?.message?.listMessage?.listType === proto.Message.ListMessage.ListType.PRODUCT_LIST
        ) {
          normalizeListType(message.deviceSentMessage.message.listMessage);
        }

        normalizeListType(message.listMessage);

```

To fully implement this change, you also need to:

1. Define the `normalizeListType` helper in this file (either at module scope or as a private method on the relevant class, depending on existing patterns). For example, at module scope:

```ts
function normalizeListType(listMessage?: proto.Message.IListMessage | null): void {
  if (listMessage?.listType === proto.Message.ListMessage.ListType.PRODUCT_LIST) {
    listMessage.listType = proto.Message.ListMessage.ListType.SINGLE_SELECT;
  }
}
```

or as a method:

```ts
private normalizeListType(listMessage?: proto.Message.IListMessage | null): void {
  if (listMessage?.listType === proto.Message.ListMessage.ListType.PRODUCT_LIST) {
    listMessage.listType = proto.Message.ListMessage.ListType.SINGLE_SELECT;
  }
}
```

2. If you choose the method form, update the usages in the replaced block to `this.normalizeListType(...)` instead of `normalizeListType(...)`.

Place the helper near related WhatsApp/Baileys message-handling utilities to match existing code organization.
</issue_to_address>