merge method
Implementation
ZeroSnackbarStyle merge(ZeroSnackbarStyle? other) {
if (other == null) return this;
return copyWith(
backgroundColor: other.backgroundColor,
border: other.border,
closeIcon: other.closeIcon,
duration: other.duration,
textStyle: textStyle?.merge(other.textStyle) ?? other.textStyle,
padding: other.padding,
margin: other.margin,
borderRadius: other.borderRadius,
actionStyle: other.actionStyle,
elevation: other.elevation,
);
}