Default Blog / Archive and Single Blog Post sidebar applied to the Custom Post Type

functions.php

<?php

/** Default Blog / Archive and Single Blog Post sidebar applied to the Custom Post Type */
add_filter( 'astra_page_layout', 'custom_post_type_custom_sidebar' );

/**
 * @link https://codex.wordpress.org/Conditional_Tags
 */
function custom_post_type_custom_sidebar( $sidebar ){
	$blog_archive_sidebar = astra_get_option('archive-post-sidebar-layout');
	$single_post_sidebar  = astra_get_option('single-post-sidebar-layout');
	if ( is_post_type_archive( 'projeto' ) ) {
		$sidebar = $blog_archive_sidebar;
	}
	if ( is_singular( 'projeto' ) ) {
		$sidebar = $single_post_sidebar;
	}
	return $sidebar;
}