fix: delete memberships when community is deleted from account deletion

crates/core/src/database/auth.rs

@@ -208,14 +208,8 @@ impl DataManager {
         self.cache_clear_user(&user).await;
 
         // delete communities
-        let res = execute!(
-            &conn,
-            "DELETE FROM communities WHERE owner = $1",
-            &[&(id as i64)]
-        );
-
-        if let Err(e) = res {
-            return Err(Error::DatabaseError(e.to_string()));
+        for community in self.get_communities_by_owner(user.id).await? {
+            self.delete_community(community.id, &user).await?;
         }
 
         // delete memberships