feat: add Select field preview and form (#2655)

Closes #2432

front/src/modules/settings/data-model/hooks/useRelationFieldPreviewValue.ts

@@ -0,0 +1,31 @@
+import { useObjectMetadataItemForSettings } from '@/object-metadata/hooks/useObjectMetadataItemForSettings';
+import { useFindManyObjectRecords } from '@/object-record/hooks/useFindManyObjectRecords';
+
+export const useRelationFieldPreviewValue = ({
+  relationObjectMetadataId,
+  skip,
+}: {
+  relationObjectMetadataId?: string;
+  skip?: boolean;
+}) => {
+  const { findObjectMetadataItemById } = useObjectMetadataItemForSettings();
+
+  const relationObjectMetadataItem = relationObjectMetadataId
+    ? findObjectMetadataItemById(relationObjectMetadataId)
+    : undefined;
+
+  const { objects: relationObjects } = useFindManyObjectRecords({
+    objectNamePlural: relationObjectMetadataItem?.namePlural,
+    skip: skip || !relationObjectMetadataItem,
+  });
+
+  const label = relationObjectMetadataItem?.labelSingular ?? '';
+
+  return {
+    relationObjectMetadataItem,
+    value: relationObjects?.[0] ?? {
+      company: { name: label }, // Temporary mock for opportunities, this needs to be replaced once labelIdentifiers are implemented
+      name: label,
+    },
+  };
+};