fix(intake): set standard=No so custom app page loads, not core frappe page

The intake page in westech_r2 app now properly overrides the core page.
Customer search, CRM auto-fill, and all business logic lives in the
westech_r2 app where it belongs. Core frappe/core/page/intake is untouched.

westech_r2/page/receiving/receiving.json

@@ -17,8 +17,8 @@
   }
  ],
  "script": null,
- "standard": "Yes",
+ "standard": "No",
  "style": null,
  "system_page": 0,
  "title": "Receiving"
-}
+}