Render the_content in a gravity forms field

gform-field-content-filter.php

<?php
$form_id  = 1;
$field_id = 1;

add_filter( "gform_field_content_{$form_id}_{$field_id}", 'gfield_render_the_content', 10, 5 );

function gfield_render_the_content( $content, $field, $value, $lead_id, $form_id ) {
	$content = apply_filters( 'the_content', get_the_content() );
	return $content;
}