Fix Datamodule creation for OV in AutoConfigurator (#3920)

Fix datamodule for ov

Author: harimkang

src/otx/engine/utils/auto_configurator.py

@@ -410,6 +410,7 @@ def update_ov_subset_pipeline(self, datamodule: OTXDataModule, subset: str = "te
         subset_config.to_tv_image = ov_config[f"{subset}_subset"]["to_tv_image"]
         datamodule.image_color_channel = ov_config["image_color_channel"]
         datamodule.tile_config.enable_tiler = False
+        datamodule.unlabeled_subset.data_root = None
         msg = (
             f"For OpenVINO IR models, Update the following {subset} \n"
             f"\t transforms: {subset_config.transforms} \n"

tests/unit/engine/utils/test_auto_configurator.py

@@ -212,3 +212,5 @@ def test_update_ov_subset_pipeline(self) -> None:
         assert updated_datamodule.test_subset.transforms == [{"class_path": "torchvision.transforms.v2.ToImage"}]
 
         assert updated_datamodule.test_subset.transform_lib_type == TransformLibType.TORCHVISION
+        assert not updated_datamodule.tile_config.enable_tiler
+        assert updated_datamodule.unlabeled_subset.data_root is None