Merge pull request #335 from efekancakmak/iso-date-column-copyvalue-fix

Iso date column copyvalue fix

src/columns/isoDateColumn.tsx

@@ -48,6 +48,7 @@ IsoDateComponent.displayName = 'IsoDateComponent'
 export const isoDateColumn: Partial<Column<string | null, any, string>> = {
   component: IsoDateComponent as CellComponent<string | null, any>,
   deleteValue: () => null,
+  copyValue: ({ rowData }) => rowData,
   // Because the Date constructor works using iso format, we can use it to parse ISO string back to a Date object
   pasteValue: ({ value }) => {
     const date = new Date(value.replace(/\.\s?|\//g, '-'))