merge method

Merges one StreamGalleryHeaderThemeData with the another

Implementation

StreamGalleryHeaderThemeData merge(StreamGalleryHeaderThemeData? other) {
  if (other == null) return this;
  return copyWith(
    closeButtonColor: other.closeButtonColor,
    backgroundColor: other.backgroundColor,
    iconMenuPointColor: other.iconMenuPointColor,
    titleTextStyle: other.titleTextStyle,
    subtitleTextStyle: other.subtitleTextStyle,
    bottomSheetBarrierColor: other.bottomSheetBarrierColor,
  );
}