update dockerfiles based on latest streamline image

The latest images incorporate all changes previously added by the dockerfiles.
The arm image however is still missing/unreliable from the registry and must be
built independently.

docker/streamline-src/vendor/symfony/var-dumper/Cloner/Cursor.php

@@ -0,0 +1,43 @@
+<?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.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+/**
+ * Represents the current state of a dumper while dumping.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class Cursor
+{
+    public const HASH_INDEXED = Stub::ARRAY_INDEXED;
+    public const HASH_ASSOC = Stub::ARRAY_ASSOC;
+    public const HASH_OBJECT = Stub::TYPE_OBJECT;
+    public const HASH_RESOURCE = Stub::TYPE_RESOURCE;
+
+    public $depth = 0;
+    public $refIndex = 0;
+    public $softRefTo = 0;
+    public $softRefCount = 0;
+    public $softRefHandle = 0;
+    public $hardRefTo = 0;
+    public $hardRefCount = 0;
+    public $hardRefHandle = 0;
+    public $hashType;
+    public $hashKey;
+    public $hashKeyIsBinary;
+    public $hashIndex = 0;
+    public $hashLength = 0;
+    public $hashCut = 0;
+    public $stop = false;
+    public $attr = [];
+    public $skipChildren = false;
+}