adjust registered by to managed by on db aslo remove url and api key on adding sites for gm

backend/apps/farms/views.py

@@ -48,7 +48,7 @@ def _upsert_mirror_cycle_from_ingest(active_site: ActiveSite, payload: dict) ->
 
     site_name = str(payload.get("site_name") or active_site.name)[:30]
     kandang_name = str(payload.get("kandang_name") or "Kandang")[:30]
-    owner = active_site.registered_by
+    owner = active_site.managed_by
     if owner is None:
         owner = User.objects.filter(status=User.STATUS_GM).first()
     if owner is None: