rray_filter( $attributes );
		$params['id'] = $params['formId'];
		unset( $params['formId'] );

		$form = FrmFormsController::get_form_shortcode( $params );
		return self::maybe_remove_fade_on_load_for_block_preview( $form );
	}

	/**
	 * Remove fade on load when /wp-json/wp/v2/block-renderer/formidable/simple-form is called.
	 * With the class set, the form never appears in the form block preview.
	 *
	 * @param string $form
	 * @return string
	 */
	private static function maybe_remove_fade_on_load_for_block_preview( $form ) {
		if ( is_callable( 'wp_is_json_request' ) && wp_is_json_request() ) {
			$form = str_replace( ' frm_logic_form ', ' ', $form );
		}
		return $form;
	}
}