removeConversation method
Implementation
void removeConversation(List<String> convIds) {
for (var i = 0; i < convIds.length; i++) {
String convID = convIds[i];
_conversationList.removeWhere((element) => element.conversationID == convID);
console(logs: "removeConversation $convID conv changed. total conv length is ${_conversationList.length}");
}
notifyListener(TencentCloudChatConversationDataKeys.conversationList as T);
}