Astra_Admin_Settings::get_page_url( string $menu_slug )

		public static function get_page_url( $menu_slug ) {

			$parent_page = self::$default_menu_position;

			if ( strpos( $parent_page, '?' ) !== false ) {
				$query_var = '&page=' . self::$plugin_slug;
			} else {
				$query_var = '?page=' . self::$plugin_slug;
			}

			$parent_page_url = admin_url( $parent_page . $query_var );

			$url = $parent_page_url . '&action=' . $menu_slug;

			return esc_url( $url );
		}