prop fix for copy-paste (#528)

Author: Marc-Andre-Rivet

src/dash-table/components/Table/props.ts

@@ -273,6 +273,7 @@ export interface IProps {
     filter_query?: string;
     filter_action?: TableAction;
     hidden_columns?: string[];
+    include_headers_on_copy_paste?: boolean;
     locale_format: INumberLocale;
     merge_duplicate_headers?: boolean;
     fixed_columns?: Fixed;

src/dash-table/dash/DataTable.js

@@ -287,13 +287,6 @@ export const propTypes = {
          */
         id: PropTypes.string.isRequired,
 
-        /**
-         * If true, headers are included when copying from the table to different
-         * tabs and elsewhere. Note that headers are ignored when copying from the table onto itself and
-         * between two tables within the same tab.
-         */
-        include_headers_on_copy_paste: PropTypes.bool,
-
         /**
          * The `name` of the column,
          * as it appears in the column header.
@@ -392,6 +385,13 @@ export const propTypes = {
         type: PropTypes.oneOf(['any', 'numeric', 'text', 'datetime'])
     })),
 
+    /**
+     * If true, headers are included when copying from the table to different
+     * tabs and elsewhere. Note that headers are ignored when copying from the table onto itself and
+     * between two tables within the same tab.
+     */
+    include_headers_on_copy_paste: PropTypes.bool,
+
     /**
      * The localization specific formatting information applied to all columns in the table.
      *