[New feature] Send & Remove message reaction

[loic-hamdi]

Hey Rohit,

Tested ✅ It is working fine.

Add in wpp_chat.dart:

  /// Emoji list: https://unicode.org/emoji/charts/full-emoji-list.html
  /// To remove reaction, set [emoji] to null
  Future sendReactionToMessage({
    required MessageId messageId,
    String? emoji,
  }) async {
    String? serialized = messageId.serialized;
    return await wpClient.evaluateJs(
      '''WPP.chat.sendReactionToMessage(${serialized.jsParse}, ${emoji != null ? emoji.jsParse : false});''',
      methodName: "sendReactionToMessage",
    );
  }

[rohitsangwan01]

Hey @loic-hamdi can you open a pull request for this

[rohitsangwan01]

Fixed in https://github.com/rohitsangwan01/whatsapp_bot_flutter/pull/28