Merge branch 'hotfix/rich-media-compile-error' into 'develop'

RichMedia: fix a compilation error due to nonexistent variable

See merge request pleroma/pleroma!2996

lib/pleroma/web/rich_media/parser.ex

@@ -39,7 +39,7 @@ defp get_cached_or_parse(url) do
         {:error, :body_too_large} = e ->
           e
 
-        {:error, {:content_type, _}} ->
+        {:error, {:content_type, _}} = e ->
           e
 
         # The TTL is not set for the errors above, since they are unlikely to change