Improve activity execution mapper's persistence logic

Update the logic in DefaultActivityExecutionMapper to handle 'Inherit' persistence mode correctly. Instead of returning 'Inherit' directly, now it will default to the mode specified by defaultMode(). This change ensures consistent handling of persistence strategies.

src/modules/Elsa.Workflows.Runtime/Services/DefaultActivityExecutionMapper.cs

@@ -200,7 +200,8 @@ public class DefaultActivityExecutionMapper : IActivityExecutionMapper
                 return defaultMode();
 
             var strategyContext = new LogPersistenceStrategyContext(cancellationToken);
-            return await strategy.GetPersistenceModeAsync(strategyContext);
+            var logMode = await strategy.GetPersistenceModeAsync(strategyContext);
+            return logMode == LogPersistenceMode.Inherit ? defaultMode() : logMode;
         }
 
         if (config.Expression == null)