fix: capture session user from backend if not found in frontend (#36072)

frappe/public/js/telemetry/pulse.js

@@ -34,7 +34,7 @@ class PulseProvider {
 			event_name: event,
 			app: app,
 			properties: props,
-			user: frappe.session.user,
+			user: frappe.session?.user,
 			captured_at: new Date().toISOString(),
 		});
 	}

frappe/utils/telemetry/pulse/client.py

@@ -57,7 +57,7 @@ def bulk_capture(events):
 			event.get("event_name"),
 			site=event.get("site"),
 			app=event.get("app"),
-			user=event.get("user"),
+			user=event.get("user") or frappe.session.user,
 			captured_at=event.get("captured_at"),
 			properties=event.get("properties"),
 			interval=event.get("interval"),