Mobilizon.Federation.ActivityStream.Converter.Utils.maybe_fetch_actor_and_attributed_to_id

Called by:

• Mobilizon.Federation.ActivityStream.Converter.Comment.as_to_model_data (L48)
• Mobilizon.Federation.ActivityStream.Converter.Event.as_to_model_data (L65)
• Mobilizon.Federation.ActivityStream.Converter.Post.as_to_model_data (L69)