title: In fabric js, how to get the original image source from image object
body: <p>In fabric js, I am trying to get the original source of an image, when I use the getElement() and getSrc() methods it shows the correct output, but after applying some image filters the same methods
  return the new image src (encoded image data) not the original image source.how can I get the original image source after applying the image filters.</p>