Fix poll vote decryption issue #1344

[kobie3717]

Summary

Fixes #1344 where getAggregateVotesInPollMessage() returns nothing.

Root Cause

The poll vote decryption logic in src/Utils/process-message.ts was commented out with TODO comments indicating it should be removed. This meant that poll votes were never decrypted and added to the message's pollUpdates array, causing getAggregateVotesInPollMessage() to return empty results.

Changes Made

1. Uncommented poll vote decryption logic - Restored the essential code that decrypts poll votes when pollUpdateMessage is received
2. Improved LID vs JID handling - Added proper handling for Local Identifiers (LID) vs Jabber Identifiers (JID) which was causing issues in groups
3. Enhanced error handling - Added validation for missing messageSecret and better debugging logs
4. Fixed TypeScript issues - Used toNumber() helper instead of direct Long casting

How the Fix Works

• When a pollUpdateMessage is received, the code now:
  1. Fetches the original poll creation message using getMessage()
  2. Extracts the encryption key (messageSecret) from the poll creation message
  3. Properly identifies the voter JID, handling LID vs JID mismatches
  4. Decrypts the vote using the existing decryptPollVote() function
  5. Emits a messages.update event with the decrypted poll updates
• This allows getAggregateVotesInPollMessage() to aggregate the votes properly

Testing

• Verified the fix addresses the root cause identified in issue [BUG] getAggregateVotesInPollMessage() didnt return anything #1344
• Added better error logging to help debug future issues
• Handles the LID vs JID problems mentioned by multiple users in the issue comments

Backward Compatibility

• No breaking changes
• Restores functionality that was previously working but was disabled

Closes #1344

[whiskeysockets-bot]

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📦 To test this PR locally:

# NPM
npm install @whiskeysockets/baileys@kobie3717/Baileys#fix/poll-vote-decryption

# Yarn (v2+)
yarn add @whiskeysockets/baileys@kobie3717/Baileys#fix/poll-vote-decryption

# PNPM
pnpm add @whiskeysockets/baileys@kobie3717/Baileys#fix/poll-vote-decryption

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