fix: make likes opt

Author: CutestNekoAqua

src/versia/conversion.rs

@@ -216,8 +216,8 @@ pub async fn versia_user_from_db(
         username: user.username,
         display_name,
         inbox: inbox_url,
-        likes: likes_url,
-        dislikes: dislikes_url,
+        likes: Some(likes_url),
+        dislikes: Some(dislikes_url),
         bio: Some(bio),
         collections,
         avatar,

src/versia/objects.rs

@@ -242,8 +242,10 @@ pub struct User {
     pub display_name: Option<String>,
     pub collections: UserCollections,
     pub inbox: Url,
-    pub likes: Url,
-    pub dislikes: Url,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub likes: Option<Url>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub dislikes: Option<Url>,
     pub username: String,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub bio: Option<ContentFormat>,