GitLab

* ONNX export - input names fix

* Fix discrepencies due to input names not defined correctly/not passed to export
* Refactor ORT input feed creation for simplicity
* Control whether to save test IO files via environment variable
Signed-off-by: Gal Hubara Agam <ghubaraagam@nvidia.com>

* ONNX export test: minor refactor
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: galagam <96368689+galagam@users.noreply.github.com>

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Signed-off-by: Gal Hubara Agam <ghubaraagam@nvidia.com>
Signed-off-by: galagam <96368689+galagam@users.noreply.github.com>
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>