[backend/core] Fix entity reloading from database

Iceshrimp.Backend/Core/Database/DatabaseContext.cs

@@ -1139,6 +1139,20 @@ public class DatabaseContext(DbContextOptions<DatabaseContext> options)
 		});
 	}
 
+	public async Task ReloadEntityAsync(object entity)
+	{
+		await Entry(entity).ReloadAsync();
+	}
+
+	public async Task ReloadEntityRecursiveAsync(object entity)
+	{
+		await ReloadEntityAsync(entity);
+		await Entry(entity)
+		      .References.Where(p => p is { IsLoaded: true, TargetEntry: not null })
+		      .Select(p => p.TargetEntry!.ReloadAsync())
+		      .AwaitAllAsync();
+	}
+
 	public IQueryable<Note> NoteAncestors(string noteId, int depth)
 		=> FromExpression(() => NoteAncestors(noteId, depth));
 

Iceshrimp.Backend/Core/Federation/ActivityPub/UserResolver.cs

@@ -236,6 +236,9 @@ public class UserResolver(
 				logger.LogError("UpdateUserAsync for user {user} failed with {error}", user.Uri, e.Message);
 		}
 
-		return success ? await db.Users.IncludeCommonProperties().FirstAsync(p => p.Id == user.Id) : user;
+		if (success)
+			await db.ReloadEntityRecursiveAsync(user);
+
+		return user;
 	}
 }

Iceshrimp.Backend/Core/Services/UserService.cs

@@ -781,6 +781,9 @@ public class UserService(
 
 		await task.SafeWaitAsync(TimeSpan.FromMilliseconds(500));
 
-		return success ? await db.Users.IncludeCommonProperties().FirstAsync(p => p.Id == user.Id) : user;
+		if (success)
+			await db.ReloadEntityRecursiveAsync(user);
+
+		return user;
 	}
 }