Fix get time on non date var (#14361)

packages/twenty-server/src/engine/dataloaders/dataloader.service.ts

@@ -25,6 +25,7 @@ import { type IndexMetadataDTO } from 'src/engine/metadata-modules/index-metadat
 import { type ObjectMetadataEntity } from 'src/engine/metadata-modules/object-metadata/object-metadata.entity';
 import { type ObjectMetadataItemWithFieldMaps } from 'src/engine/metadata-modules/types/object-metadata-item-with-field-maps';
 import { WorkspaceMetadataCacheService } from 'src/engine/metadata-modules/workspace-metadata-cache/services/workspace-metadata-cache.service';
+import { transpileToDateIfNot } from 'src/utils/transpile-to-date-if-not.util';
 
 export type RelationMetadataLoaderPayload = {
   workspaceId: string;
@@ -137,7 +138,11 @@ export class DataloaderService {
                 flatFieldMetadata:
                   sourceFlatFieldMetadata.flatRelationTargetFieldMetadata,
                 flatObjectMetadataMaps: existingFlatObjectMetadataMaps,
-              }).sort((a, b) => a.createdAt.getTime() - b.createdAt.getTime());
+              }).sort(
+                (a, b) =>
+                  transpileToDateIfNot(a.createdAt).getTime() -
+                  transpileToDateIfNot(b.createdAt).getTime(),
+              );
 
             relationDtos.push(
               fromMorphOrRelationFlatFieldMetadataToRelationDto({