Fix Share to community button for images

[hannahblair]

Description

For images, the value object was being passed to uploadToHuggingFace with the param base64 so processing the url was causing an error.

Devtools screenshot of this for more context:

Test space: https://huggingface.co/spaces/hmb/testshare

Closes: #8729

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🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
@gradio/image	patch
@gradio/utils	patch
gradio	patch

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Fix Share to community button for images

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[pngwn]

Yeah, i think is from a time when we base64 encoded image.

Thanks for taking care of this @hannahblair!