message: Webex adapter: Allow dialogs in threads
diff: @@ -487,7 +487,7 @@ export class WebexAdapter extends BotAdapter {
  id: decrypted_message.id,
  timestamp: new Date(),
  channelId: 'webex',
  - conversation: { id: decrypted_message.roomId },
  + conversation: { id: decrypted_message.roomId, parentId: decrypted_message.parentId },
  from: { id: decrypted_message.personId, name: decrypted_message.personEmail },
  recipient: { id: this.identity.id },
  text: decrypted_message.text,
  