adding fill scalar for torch ones direct initialization on ort device (#10898)
* adding fill scalar for torch ones direct initialization on device and adding test case for it
* using ConstantOfShape to for implementing fill Scalar in atenops
* adding case for handling at::Tensor attribute
* handling the at::Tensor type for ConstantOfShape
* handling the at::Tensor type for ConstantOfShape with attr type
* handling the at::Tensor type case
* converting the data to tensor in case of aten tensor mapping is needed
* handling aten tensor case
* handling aten tensor case and reversing the string case
* changing type of scalar