Add metadata to optimized model (#2618)

* bug fix for legacy openvino models

* Add metadata to optimized model

* Revert formatting changes

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Co-authored-by: Ashwin Vaidya <[email protected]>

Author: ashwinvaidya17

src/otx/algorithms/anomaly/tasks/openvino.py

@@ -361,6 +361,8 @@ def optimize(
         output_model.optimization_type = ModelOptimizationType.POT
         output_model.optimization_methods = [OptimizationMethod.QUANTIZATION]
         output_model.precision = [ModelPrecision.INT8]
+        metadata = self.get_metadata()
+        output_model.set_data("metadata", json.dumps(metadata).encode())
 
         self.task_environment.model = output_model
         self.inference_model = self.get_openvino_model()