test.cs

        public async Task<IEnumerable<Integration>> GetAllWithSettings()
        {
            var refs = await IntegrationContext.Set<IntegrationConfig>().Include(i => i.Settings).ToListAsync();
            var data = new List<Integration>();
            foreach (var i in refs)
            {
                var integration = new Integration
                {
                    Id = i.Id,
                    Name = i.Name,
                    Settings = i.Settings.ToDictionary(x => x.Key, x => x.Value)
                };
                data.Append(integration);
            }
            return data;
        }