merge method
If the other style is null, return this style. Otherwise, return a new style that is a copy of this style with the other style's properties merged in
Implementation
ZeroChipOutlinedStyle merge(ZeroChipOutlinedStyle? other) {
if (other == null) return this;
return copyWith(
borderColor: other.borderColor,
iconColor: other.iconColor,
textStyle: textStyle?.merge(other.textStyle) ?? other.textStyle,
);
}