add default early stopping to random search

mu_map/training/random_search.py

@@ -432,6 +432,7 @@ class RandomSearchCGAN(RandomSearch):
             loss_func_dist=self.params["criterion_dist"],
             weight_criterion_dist=self.params["weight_criterion_dist"],
             weight_criterion_adv=self.params["weight_criterion_adv"],
+            early_stopping=10,
         )
 
     def _cleanup_run(self, iteration: int, link_best: bool):