Move duplicate key error handling in ORM (#13893)

Error available in REST API
<img width="1360" height="653" alt="Screenshot 2025-08-13 at 11 48 19"
src="https://github.com/user-attachments/assets/a055859d-ce54-4ff6-9aba-fac48e03a98d"
/>

`curl http://localhost:3000/rest/people \
  --request POST \
  --header 'Content-Type: application/json' \
  --data '{
  "emails": {
    "primaryEmail": "test@test.com"
  }
}'`

closes https://github.com/twentyhq/twenty/issues/13567

packages/twenty-server/src/engine/twenty-orm/entity-manager/workspace-entity-manager.ts

@@ -44,6 +44,7 @@ import { type ObjectMetadataItemWithFieldMaps } from 'src/engine/metadata-module
 import { type WorkspaceDataSource } from 'src/engine/twenty-orm/datasource/workspace.datasource';
 import { type DeepPartialWithNestedRelationFields } from 'src/engine/twenty-orm/entity-manager/types/deep-partial-entity-with-nested-relation-fields.type';
 import { type QueryDeepPartialEntityWithNestedRelationFields } from 'src/engine/twenty-orm/entity-manager/types/query-deep-partial-entity-with-nested-relation-fields.type';
+import { getEntityTarget } from 'src/engine/twenty-orm/entity-manager/utils/get-entity-target';
 import { computeTwentyORMException } from 'src/engine/twenty-orm/error-handling/compute-twenty-orm-exception';
 import { RelationNestedQueries } from 'src/engine/twenty-orm/relation-nested-queries/relation-nested-queries';
 import {
@@ -1230,7 +1231,12 @@ export class WorkspaceEntityManager extends EntityManager {
 
       return isEntityArray ? formattedResult : formattedResult[0];
     } catch (error) {
-      throw computeTwentyORMException(error);
+      const objectMetadataItem = getObjectMetadataFromEntityTarget(
+        getEntityTarget(targetOrEntity, entityOrMaybeOptions),
+        this.internalContext,
+      );
+
+      throw computeTwentyORMException(error, objectMetadataItem);
     }
   }