fix ipex+fp32 jit trace model inference error in ipex 1.13
error show like: “Currently the auto_kernel_selection does not support the grad mode! Please add torch.no_grad() before the inference runtime..” since jit mode only work in inference mode, it's safe to add such logic.


Fixes # (issue)


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@jianan-gu <|||||>_The documentation is not available anymore as the PR was closed or merged._