[misc cleanup] Move new component props to file

- TBH, the types are so simple I don't anticipate many consumers needing it, and I'd rather keep them where they're used. If consumers really do need it they can import directly from this file or use PropsOf

- use `FC<>` typing to match rest of EUI

src/components/datagrid/controls/data_grid_toolbar_control.tsx

@@ -6,19 +6,20 @@
  * Side Public License, v 1.
  */
 
-import React from 'react';
+import React, { FunctionComponent } from 'react';
 import classNames from 'classnames';
-import { EuiButtonEmpty } from '../../button';
+
+import { EuiButtonEmpty, EuiButtonEmptyProps } from '../../button';
 import { EuiNotificationBadge } from '../../badge';
 import { useEuiI18n } from '../../i18n';
-import { EuiDataGridToolbarControlProps } from '../data_grid_types';
 
-export const EuiDataGridToolbarControl = ({
-  children,
-  badgeContent,
-  textProps,
-  ...buttonProps
-}: EuiDataGridToolbarControlProps) => {
+export type EuiDataGridToolbarControlProps = EuiButtonEmptyProps & {
+  badgeContent?: number | string;
+};
+
+export const EuiDataGridToolbarControl: FunctionComponent<
+  EuiDataGridToolbarControlProps
+> = ({ children, badgeContent, textProps, ...buttonProps }) => {
   const badgeAriaLabel = useEuiI18n(
     'euiDataGridToolbarControl.badgeAriaLabel',
     'Active: {count}',

src/components/datagrid/controls/index.ts

@@ -15,4 +15,7 @@ export {
   checkOrDefaultToolBarDisplayOptions,
   EuiDataGridToolbar,
 } from './data_grid_toolbar';
-export { EuiDataGridToolbarControl } from './data_grid_toolbar_control';
+export {
+  EuiDataGridToolbarControl,
+  type EuiDataGridToolbarControlProps,
+} from './data_grid_toolbar_control';

src/components/datagrid/data_grid_types.ts

@@ -26,7 +26,7 @@ import {
   GridOnItemsRenderedProps,
 } from 'react-window';
 import { EuiListGroupItemProps } from '../list_group';
-import { EuiButtonEmpty, EuiButtonEmptyProps, EuiButtonIcon } from '../button';
+import { EuiButtonEmpty, EuiButtonIcon } from '../button';
 import { ExclusiveUnion, CommonProps, OneOf } from '../common';
 import { RowHeightUtilsType } from './utils/row_heights';
 import { IconType } from '../icon';
@@ -62,10 +62,6 @@ export interface EuiDataGridCustomToolbarProps {
   columnSortingControl: ReactNode;
 }
 
-export type EuiDataGridToolbarControlProps = EuiButtonEmptyProps & {
-  badgeContent?: number | string;
-};
-
 export interface EuiDataGridPaginationRendererProps
   extends EuiDataGridPaginationProps {
   rowCount: number;