Add the Gravity Forms button to the new editor in Genesis archive settings for custom content types and terms.

functions.php

<?php

// Parse shortcodes on custom content type archives and term archives.
add_filter( 'genesis_cpt_archive_intro_text_output', 'do_shortcode', 20 );
add_filter( 'genesis_term_intro_text_output', 'do_shortcode', 20 );

add_filter( 'gform_display_add_form_button', 'prefix_add_form_button' );
/**
 * Tell Gravity Forms to add the "Add Form" button to custom content archive
 * settings and term settings pages.
 * 
 * @param $is_post_edit_page
 *
 * @return bool
 */
function prefix_add_form_button( $is_post_edit_page ) {
	if ( in_array( RG_CURRENT_PAGE, array( 'edit.php', 'term.php' ), true ) ) {
		$is_post_edit_page = true;
	}
	return $is_post_edit_page;
}