refactor 优化代码

Src/Dlhis.Basic/Organization/Services/Implements/FactorySettingService.cs

@@ -79,8 +79,7 @@ public class FactorySettingService : IFactorySettingService
         }
         else
         {
-            var apiResult = await _tenantApi.GetMyTenantsAsync();
-            factories = apiResult.Data;
+            factories = await _tenantApi.GetMyTenantsAsync();
         }
 
         var factoryCodes = factories.Select(x => x.Code).ToList();