Merge pull request #5855 from marmelab/fix-mutation-mode-defaults

Fix DeleteButton mutationMode handling

Author: fzaninotto

packages/ra-ui-materialui/src/button/DeleteButton.tsx

@@ -46,7 +46,7 @@ import DeleteWithConfirmButton from './DeleteWithConfirmButton';
  */
 const DeleteButton: FC<DeleteButtonProps> = ({
     undoable,
-    mutationMode,
+    mutationMode = 'undoable',
     record,
     ...props
 }) => {
@@ -103,8 +103,4 @@ DeleteButton.propTypes = {
     icon: PropTypes.element,
 };
 
-DeleteButton.defaultProps = {
-    undoable: true,
-};
-
 export default DeleteButton;