Fix incorrect device selection(NPU) with python app running OVEP GPU … (#1046)

* Fix incorrect device selection(NPU) with python app running OVEP GPU backend

* apply reviwer comment

* apply new change

* remove last change and extra space

* remove space

* cleaning

* fix the name

* Revert "cleaning"

This reverts commit c58f3d6.

* Revert "remove space"

This reverts commit ba1939b.

* Revert "remove last change and extra space"

This reverts commit 0cc2294.

* Revert "apply new change"

This reverts commit bddb18b.

* Revert "fix the name"

This reverts commit c800fdc.

* revert back new changes

---------

Co-authored-by: Ankit Maheshkar <ankit.maheshkar@intel.com>
Co-authored-by: MayureshV1 <47039074+MayureshV1@users.noreply.github.com>

Author: 3 people

onnxruntime/core/providers/openvino/openvino_provider_factory.cc

@@ -422,6 +422,12 @@ struct OpenVINOProviderFactory : IExecutionProviderFactory {
       }
     }
 
+    if (provider_options.find("device_type") == provider_options.end()) {
+        // Preserve the device selected during factory creation unless the session-level
+        // OpenVINO provider options explicitly override it.
+        provider_options["device_type"] = provider_info_.device_type;
+    }
+
     ProviderInfo provider_info = provider_info_;
     ParseProviderInfo(provider_options, &config_options, provider_info);
     ParseConfigOptions(provider_info);