feat: refactor custom object (#1887)

* chore: drop old universal entity

* feat: wip refactor graphql generation custom object

* feat: refactor custom object resolvers

fix: tests

fix: import

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

server/src/tenant/entity-resolver/entity-resolver.service.spec.ts

@@ -1,7 +1,6 @@
 import { Test, TestingModule } from '@nestjs/testing';
 
 import { DataSourceService } from 'src/metadata/data-source/data-source.service';
-import { EnvironmentService } from 'src/integrations/environment/environment.service';
 
 import { EntityResolverService } from './entity-resolver.service';
 
@@ -16,10 +15,6 @@ describe('EntityResolverService', () => {
           provide: DataSourceService,
           useValue: {},
         },
-        {
-          provide: EnvironmentService,
-          useValue: {},
-        },
       ],
     }).compile();