Fix id typing in metadata generated schema (#13596)

In our Graphql schema, ids are typed as UUID.

Our FE codegen is typing it as 'any', unless we say otherwise. Fixing it
and fixing the impacts in the codebase

packages/twenty-front/src/testing/utils/getMockObjectMetadataItemOrThrow.ts

@@ -0,0 +1,19 @@
+import { ObjectMetadataItem } from '@/object-metadata/types/ObjectMetadataItem';
+import { isDefined } from 'twenty-shared/utils';
+import { generatedMockObjectMetadataItems } from '~/testing/utils/generatedMockObjectMetadataItems';
+
+export const getMockObjectMetadataItemOrThrow = (
+  nameSingular: string,
+): ObjectMetadataItem => {
+  const objectMetadataItem = generatedMockObjectMetadataItems.find(
+    (item) => item.nameSingular === nameSingular,
+  );
+
+  if (!isDefined(objectMetadataItem)) {
+    throw new Error(
+      `Object metadata item with name singular ${nameSingular} not found`,
+    );
+  }
+
+  return objectMetadataItem;
+};