feat: Select 2 models if possible

app.py

@@ -465,7 +465,10 @@ def update_model_ids_dropdown(
         model_id for model_id in model_ids if model_id in filtered_models
     ]
     if not valid_selected_models:
-        valid_selected_models = random.sample(filtered_models, k=1)
+        if len(filtered_models) > 1:
+            valid_selected_models = random.sample(filtered_models, k=2)
+        elif len(filtered_models) == 1:
+            valid_selected_models = random.sample(filtered_models, k=1)
 
     logger.info(
         f"Updated model ids dropdown with {len(filtered_models):,} valid models for "