JetFormBuilder Do JetEngine macros in hidden fields that are not rendered

code.php

<?php

add_action( 'jet-form-builder/form-handler/before-send', function( $form_handler ) {
	
	if ( ! function_exists( 'jet_engine' ) ) {
		return;
	}
	
	$form_id = $form_handler->form_id;
	
	$blocks = \Jet_Form_Builder\Blocks\Block_Helper::get_blocks_by_post( $form_id );
	
	foreach ( $blocks as $block ) {
		
		if ( empty( $block['blockName'] ) || 
			$block['blockName'] !== 'jet-forms/hidden-field' || 
			empty( $block['attrs']['default'] ) || 
			! empty( $block['attrs']['render'] ) ||
			! is_scalar( $block['attrs']['default'] )
		) {
			continue;
		}
		
		jet_fb_context()->update_request(
			jet_engine()->listings->macros->do_macros( $block['attrs']['default'] ),
			$block['attrs']['name']
		);
		
	}
	
} );