Add status update

Change-Id: I27d9cbe11b6cab1a45b216ff3b9afc03e3c00140
diff --git a/ui/src/controller/trace_controller.ts b/ui/src/controller/trace_controller.ts
index ffa27e1..42681d1 100644
--- a/ui/src/controller/trace_controller.ts
+++ b/ui/src/controller/trace_controller.ts
@@ -799,6 +799,7 @@
 
   async initaliseHelperViews() {
     const engine = assertExists<Engine>(this.engine);
+    this.updateStatus('Creating helper views');
     let event = 'sched_waking';
     const waking = await engine.query(
         `select * from instants where name = 'sched_waking' limit 1`);