GetById Repositories return first object if no specification define about dotnet-webapi-starter-kit HOT 8 CLOSED

public async Task<TDto> GetByIdAsync<T, TDto>(Guid entityId, BaseSpecification<T> specification, CancellationToken cancellationToken = default)
        where T : BaseEntity
        where TDto : IDto
        {
            string cacheKey = CacheKeys.GetCacheKey<T>(entityId);
            byte[] cachedData = !string.IsNullOrWhiteSpace(cacheKey) ? await _cache.GetAsync(cacheKey, cancellationToken) : null;
            if (cachedData != null)
            {
                await _cache.RefreshAsync(cacheKey, cancellationToken);
                var entity = _serializer.Deserialize<TDto>(Encoding.Default.GetString(cachedData));
                return entity;
            }
            else
            {
                IQueryable<T> query = _dbContext.Set<T>();
                if (specification != null)
                    query = query.Specify(specification).Where(a => a.Id == entityId);
                var entity = await query.FirstOrDefaultAsync(cancellationToken: cancellationToken);
                var dto = entity.Adapt<TDto>();
                if (dto != null)
                {
                    if ((specification?.Includes?.Count == 0) || specification == null)
                    {
                        var options = new DistributedCacheEntryOptions();
                        byte[] serializedData = Encoding.Default.GetBytes(_serializer.Serialize(dto));
                        await _cache.SetAsync(cacheKey, serializedData, options, cancellationToken);
                    }

                    return dto;
                }

                throw new EntityNotFoundException(string.Format(_localizer["entity.notfound"], typeof(T).Name, entityId));
            }
        }