merge method

Implementation

@override
TextAreaConfig merge(MetaFieldConfig other) {
  return other is TextAreaConfig
      ? this.copy(
          minLines: other.minLines,
          maxLines: other.maxLines,
          isDisabled: other.isDisabled,
          isRequired: other.isRequired,
          expands: other.expands,
          autocorrect: other.autocorrect,
        )
      : this.copy(isDisabled: other.isDisabled, isRequired: other.isRequired);
}