Update StatusStatelessTransformer, refactor the caption field to be compliant with the MastoAPI. Fixes #5364

app/Services/StatusService.php

@@ -10,7 +10,7 @@ use League\Fractal\Serializer\ArraySerializer;
 
 class StatusService
 {
-    const CACHE_KEY = 'pf:services:status:v1:';
+    const CACHE_KEY = 'pf:services:status:v1.1:';
 
     public static function key($id, $publicOnly = true)
     {

app/Transformer/Api/StatusStatelessTransformer.php

@@ -23,7 +23,7 @@ class StatusStatelessTransformer extends Fractal\TransformerAbstract
     {
         $taggedPeople = MediaTagService::get($status->id);
         $poll = $status->type === 'poll' ? PollService::get($status->id) : null;
-        $rendered = $status->caption ? nl2br(Autolink::create()->autolink($status->caption)) : null;
+        $rendered = $status->caption ? nl2br(Autolink::create()->autolink($status->caption)) : "";
 
         return [
             '_v' => 1,