Import latest app updates from streamline

An updated set of source files and initialization was provided by streamline to
address issues observed during initial testing. These files have been updated in
order to generate a new set of app images.

docker/streamline-src/vendor/symfony/polyfill-php80/bootstrap.php

@@ -1,42 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-use Symfony\Polyfill\Php80 as p;
-
-if (\PHP_VERSION_ID >= 80000) {
-    return;
-}
-
-if (!defined('FILTER_VALIDATE_BOOL') && defined('FILTER_VALIDATE_BOOLEAN')) {
-    define('FILTER_VALIDATE_BOOL', \FILTER_VALIDATE_BOOLEAN);
-}
-
-if (!function_exists('fdiv')) {
-    function fdiv(float $num1, float $num2): float { return p\Php80::fdiv($num1, $num2); }
-}
-if (!function_exists('preg_last_error_msg')) {
-    function preg_last_error_msg(): string { return p\Php80::preg_last_error_msg(); }
-}
-if (!function_exists('str_contains')) {
-    function str_contains(?string $haystack, ?string $needle): bool { return p\Php80::str_contains($haystack ?? '', $needle ?? ''); }
-}
-if (!function_exists('str_starts_with')) {
-    function str_starts_with(?string $haystack, ?string $needle): bool { return p\Php80::str_starts_with($haystack ?? '', $needle ?? ''); }
-}
-if (!function_exists('str_ends_with')) {
-    function str_ends_with(?string $haystack, ?string $needle): bool { return p\Php80::str_ends_with($haystack ?? '', $needle ?? ''); }
-}
-if (!function_exists('get_debug_type')) {
-    function get_debug_type($value): string { return p\Php80::get_debug_type($value); }
-}
-if (!function_exists('get_resource_id')) {
-    function get_resource_id($resource): int { return p\Php80::get_resource_id($resource); }
-}