wandb log to match result structure

user-friendly-metrics.py

@@ -176,8 +176,8 @@ class UserFriendlyMetrics(evaluate.Metric):
 
         # Log overall metrics
         if "overall" in result:
-            for overall_key, overall_metrics in result["overall"].items():
-                for metric, value in overall_metrics["all"].items():
+            for overall_key, overall_metrics in result["overall"]["all"].items():
+                for metric, value in overall_metrics.items():
                     log_key = (
                         f"{wandb_section}/overall/{overall_key}/{metric}"
                         if wandb_section