removed required from hasBulkActions in propTypes as is not required in DatagridRowProps

Author: adguernier

packages/ra-ui-materialui/src/list/datagrid/DatagridRow.tsx

@@ -234,7 +234,7 @@ DatagridRow.propTypes = {
     className: PropTypes.string,
     // @ts-ignore
     expand: PropTypes.oneOfType([PropTypes.element, PropTypes.elementType]),
-    hasBulkActions: PropTypes.bool.isRequired,
+    hasBulkActions: PropTypes.bool,
     hover: PropTypes.bool,
     id: PropTypes.any,
     onToggleItem: PropTypes.func,