copy method
Implementation
ColumnEntity copy() {
return ColumnEntity(
primaryKey: primaryKey,
autoIncrease: autoIncrease,
name: name,
title: title,
type: type,
format: format,
description: description,
display: display,
editable: editable,
widthFactor: widthFactor,
inputDecoration: inputDecoration?.copy(),
constrains: constrains?.copy(),
style: style?.copy(),
);
}