refactor: validate objectMetadataItem with Zod on creation and update… (#4270)

* refactor: validate objectMetadataItem with Zod on creation and update & remove logic from useObjectMetadataItemForSettings

* refactor: review

packages/twenty-front/src/modules/object-metadata/validation-schemas/fieldMetadataItemSchema.ts

@@ -0,0 +1,6 @@
+import { z } from 'zod';
+
+import { FieldMetadataItem } from '@/object-metadata/types/FieldMetadataItem';
+
+// TODO: implement fieldMetadataItemSchema
+export const fieldMetadataItemSchema: z.ZodType<FieldMetadataItem> = z.any();