[ActivityStreamsTwo] Initial Actor support

Various bug fixes

plugins/ActivityStreamsTwo/Util/Response/ActorResponse.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Plugin\ActivityStreamsTwo\Util\Response;
+
+use App\Entity\GSActor;
+use Exception;
+use Plugin\ActivityStreamsTwo\Util\Model\EntityToType\GSActorToType;
+
+abstract class ActorResponse
+{
+    /**
+     * @param GSActor $gsactor
+     * @param int     $status  The response status code
+     *
+     * @throws Exception
+     *
+     * @return TypeResponse
+     */
+    public static function handle(GSActor $gsactor, int $status = 200): TypeResponse
+    {
+        $gsactor->getLocalUser(); // This throws exception if not a local user, which is intended
+        return new TypeResponse(data: GSActorToType::translate($gsactor), status: $status);
+    }
+}