Audio upload performance improvement for filepath output

[aliabid94]

Basically, if there's no changes needed to be made to the audio file and the user requests a file, we can save performance time by skipping loading into numpy and saving back as a file.

May fix: #7681

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Install Gradio from this PR

pip install https://gradio-builds.s3.amazonaws.com/b35e3ae839d208520180299077f4ce57bb96fca4/gradio-4.25.0-py3-none-any.whl

Install Gradio Python Client from this PR

pip install "gradio-client @ git+https://github.com/gradio-app/gradio@b35e3ae839d208520180299077f4ce57bb96fca4#subdirectory=client/python"

[gradio-pr-bot]

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Audio upload performance improvement for filepath output

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