Fix Networking parameter name

Author: admivsn

sagemaker-train/src/sagemaker/train/model_trainer.py

@@ -326,7 +326,7 @@ def _populate_intelligent_defaults_from_training_job_space(self):
         if not self.networking:
             if default_enable_network_isolation is not None or default_vpc_config is not None:
                 self.networking = Networking(
-                    default_enable_network_isolation=default_enable_network_isolation,
+                    enable_network_isolation=default_enable_network_isolation,
                     subnets=self.config_mgr.resolve_value_from_config(
                         config_path=TRAINING_JOB_SUBNETS_PATH
                     ),