[experiments] Fix experiment schedule() call to set status

beat/web/experiments/models.py

@@ -786,6 +786,9 @@ class Experiment(Shareable):
 
         for b in self.blocks.all(): b._schedule()
 
+        self.status = Experiment.SCHEDULED
+        self.save()
+
 
     @transaction.atomic
     def cancel(self):