fix(draft-order, medusa, types): ui polish (#13376)

**What**
- ensure unique promotion changes are displayed in the activity section
- check linked promotions by id and not code
- list promotions - add id param
- make address payload fields nullish
- Add items view UI tweaks

---

CLOSES SUP-2400

packages/medusa/src/api/admin/promotions/validators.ts

@@ -26,6 +26,9 @@ export const AdminGetPromotionsParamsFields = z.object({
   code: z
     .union([z.string(), z.array(z.string()), createOperatorMap()])
     .optional(),
+  id: z
+    .union([z.string(), z.array(z.string()), createOperatorMap()])
+    .optional(),
   campaign_id: z.union([z.string(), z.array(z.string())]).optional(),
   application_method: z
     .object({