message: Fix toObject for migration
diff: @@ -58,7 +58,13 @@ const taskSchema = new mongoose.Schema(
  timestamps: true,
  toObject: {
  transform: function (doc: any, ret: any) {
  + if (ret.hasOwnProperty('_id')) {
  + ret._id = ret._id.toString();
  + }
  +
  + if (ret.hasOwnProperty('id')) {
  ret.id = ret.id.toString();
  + }
  ret.answers = ret.answers.map((answer: any) => {
  answer._id = answer._id.toString();
  return answer;
  