[Glitch] Fix 'unknown' media attachment rendering in detailed view

Port 01e25af2e3 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/features/status/components/detailed_status.tsx

@@ -196,7 +196,7 @@ export const DetailedStatus: React.FC<{
     ) {
       media.push(<AttachmentList media={status.get('media_attachments')} />);
     } else if (
-      ['image', 'gifv'].includes(
+      ['image', 'gifv', 'unknown'].includes(
         status.getIn(['media_attachments', 0, 'type']) as string,
       ) ||
       status.get('media_attachments').size > 1