fix: disable dashboard insights refresh chaining (#24057)

posthog/api/dashboards/dashboard.py

@@ -21,7 +21,6 @@
 from posthog.api.routing import TeamAndOrgViewSetMixin
 from posthog.api.shared import UserBasicSerializer
 from posthog.api.tagged_item import TaggedItemSerializerMixin, TaggedItemViewSetMixin
-from posthog.clickhouse.client.async_task_chain import task_chain_context
 from posthog.event_usage import report_user_action
 from posthog.helpers import create_dashboard_from_template
 from posthog.helpers.dashboard_templates import create_from_template
@@ -458,9 +457,8 @@ def retrieve(self, request: Request, *args: Any, **kwargs: Any) -> Response:
         dashboard = get_object_or_404(queryset, pk=pk)
         dashboard.last_accessed_at = now()
         dashboard.save(update_fields=["last_accessed_at"])
-        with task_chain_context():
-            serializer = DashboardSerializer(dashboard, context={"view": self, "request": request})
-            return Response(serializer.data)
+        serializer = DashboardSerializer(dashboard, context={"view": self, "request": request})
+        return Response(serializer.data)
 
     @action(methods=["PATCH"], detail=True)
     def move_tile(self, request: Request, *args: Any, **kwargs: Any) -> Response: