morph dataloader specific (#13259)

In the metadata GraphQL api, we need the resolveField for the
morphRelations. This PR implements this topic.


Fixes https://github.com/twentyhq/core-team-issues/issues/1234

---------

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

packages/twenty-server/src/engine/dataloaders/utils/filter-morph-relation-duplicate-fields.util.ts

@@ -0,0 +1,13 @@
+import { FieldMetadataDTO } from 'src/engine/metadata-modules/field-metadata/dtos/field-metadata.dto';
+
+export const filterMorphRelationDuplicateFieldsDTO = (
+  fields: FieldMetadataDTO[],
+) => {
+  return fields.filter((currentField) => {
+    return !fields.some(
+      (otherField) =>
+        otherField.name === currentField.name &&
+        otherField.id > currentField.id,
+    );
+  });
+};