[FEAT] Allow RawImage to read from all types of supported sources.

[BritishWerewolf]

A simple PR that allows the read method to convert from any supported type.

This will be useful for the pipeline API which uses the RawImage.read method call under the hood.
Currently read just interprets URLs, but this will allow File Uploads for instance.

// File upload
const file = event.target.files[0];
const image = await RawImage.read(file);

// Canvas
const canvas = document.querySelector('canvas');
const image = await RawImage.read(canvas);

[xenova]

This is pretty useful, and is actually an update I wanted to make for a long time! Thanks! Can you also make sure the relevant pipelines also expose that blobs and canvas elements are now supported?

[xenova]

Thanks!

[HuggingFaceDocBuilderDev]

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