Bug return multi select fields in rest api response (#6253)

Fixes
https://discord.com/channels/1130383047699738754/1258194870703493141/1258194870703493141

## Before

![image](https://github.com/user-attachments/assets/49aaed36-6106-47f7-9d55-a4a2fed138e0)

## After

![image](https://github.com/user-attachments/assets/19343d60-f47e-4ebb-b2d4-3bcc7674e64b)

packages/twenty-server/src/engine/api/rest/core/query-builder/utils/__tests__/map-field-metadata-to-graphql-query.utils.spec.ts

@@ -6,17 +6,19 @@ import {
   objectMetadataItemMock,
 } from 'src/engine/api/__mocks__/object-metadata-item.mock';
 import { mapFieldMetadataToGraphqlQuery } from 'src/engine/api/rest/core/query-builder/utils/map-field-metadata-to-graphql-query.utils';
+import { FieldMetadataType } from 'src/engine/metadata-modules/field-metadata/field-metadata.entity';
+import { RelationMetadataType } from 'src/engine/metadata-modules/relation-metadata/relation-metadata.entity';
 
 describe('mapFieldMetadataToGraphqlQuery', () => {
   it('should map properly', () => {
     expect(
-      mapFieldMetadataToGraphqlQuery(objectMetadataItemMock, fieldNumberMock),
+      mapFieldMetadataToGraphqlQuery([objectMetadataItemMock], fieldNumberMock),
     ).toEqual('fieldNumber');
     expect(
-      mapFieldMetadataToGraphqlQuery(objectMetadataItemMock, fieldTextMock),
+      mapFieldMetadataToGraphqlQuery([objectMetadataItemMock], fieldTextMock),
     ).toEqual('fieldText');
     expect(
-      mapFieldMetadataToGraphqlQuery(objectMetadataItemMock, fieldLinkMock),
+      mapFieldMetadataToGraphqlQuery([objectMetadataItemMock], fieldLinkMock),
     ).toEqual(`
       fieldLink
       {
@@ -25,7 +27,10 @@ describe('mapFieldMetadataToGraphqlQuery', () => {
       }
     `);
     expect(
-      mapFieldMetadataToGraphqlQuery(objectMetadataItemMock, fieldCurrencyMock),
+      mapFieldMetadataToGraphqlQuery(
+        [objectMetadataItemMock],
+        fieldCurrencyMock,
+      ),
     ).toEqual(`
       fieldCurrency
       {
@@ -34,4 +39,21 @@ describe('mapFieldMetadataToGraphqlQuery', () => {
       }
     `);
   });
+  describe('should handle all field metadata types', () => {
+    Object.values(FieldMetadataType).forEach((fieldMetadataType) => {
+      it(`with field type ${fieldMetadataType}`, () => {
+        const field = {
+          type: fieldMetadataType,
+          name: 'toObjectMetadataName',
+          fromRelationMetadata: {
+            relationType: RelationMetadataType.ONE_TO_MANY,
+          },
+        };
+
+        expect(
+          mapFieldMetadataToGraphqlQuery([objectMetadataItemMock], field),
+        ).toBeDefined();
+      });
+    });
+  });
 });

packages/twenty-server/src/engine/api/rest/core/query-builder/utils/map-field-metadata-to-graphql-query.utils.ts

@@ -19,14 +19,18 @@ export const mapFieldMetadataToGraphqlQuery = (
     FieldMetadataType.UUID,
     FieldMetadataType.TEXT,
     FieldMetadataType.PHONE,
+    FieldMetadataType.EMAIL,
     FieldMetadataType.DATE_TIME,
     FieldMetadataType.DATE,
-    FieldMetadataType.EMAIL,
-    FieldMetadataType.NUMBER,
-    FieldMetadataType.SELECT,
-    FieldMetadataType.RATING,
     FieldMetadataType.BOOLEAN,
+    FieldMetadataType.NUMBER,
+    FieldMetadataType.NUMERIC,
+    FieldMetadataType.PROBABILITY,
+    FieldMetadataType.RATING,
+    FieldMetadataType.SELECT,
+    FieldMetadataType.MULTI_SELECT,
     FieldMetadataType.POSITION,
+    FieldMetadataType.RAW_JSON,
   ].includes(fieldType);
 
   if (fieldIsSimpleValue) {