type file upload

HTML

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format: "png"

base64String: "iVBORw0KGgoAAAANSUhEUgAACHQAAAFCCAYAAACaDRhmAAAMRm"
format: "png"

format: "png"
webPath: "blob:http://localhost:8001/6f523d98-0cba-435f-a3a0-87b5d6d09caa"

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