merge method
Implementation
PairInfoTableConfig merge(PairInfoTableConfig? other) {
if (other == null) return this;
return copyWith(
rowSpacing: other._rowSpacing,
itemSpacing: other._itemSpacing,
keyTextStyle: keyTextStyle.merge(other._keyTextStyle),
valueTextStyle: valueTextStyle.merge(other._valueTextStyle),
linkTextStyle: linkTextStyle.merge(other._linkTextStyle),
);
}