fix(activitypub-base): populate also_known_as, profile_url, attachment from fetched actor

crates/adapters/activitypub-base/src/actors.rs

@@ -301,9 +301,16 @@ impl Object for DbActor {
             bio: json.summary.clone(),
             avatar_url: json.icon.as_ref().map(|i| i.url.clone()),
             banner_url: json.image.as_ref().map(|i| i.url.clone()),
-            also_known_as: None,
+            also_known_as: json.also_known_as.into_iter().next(),
-            profile_url: None,
+            profile_url: json.url.clone(),
-            attachment: vec![],
+            attachment: json
+                .attachment
+                .iter()
+                .map(|f| crate::user::ApProfileField {
+                    name: f.name.clone(),
+                    value: f.value.clone(),
+                })
+                .collect(),
         })
     }
 }