Enable product images in vendor order email notifications

add_filter( 'wcvendors_vendor_order_items_args', 'wcv_enable_product_image_vendor_order_email' );

function wcv_enable_product_image_vendor_order_email( $order_item_args ){ 

	$order_item_args['show_image'] = true; 

	return $order_item_args;

}