Deeper zoom in media details

[nicolas-raoul]

In the media details of an already uploaded image, you can zoom into the image a bit. But only a bit, so it is impossible to see the fine details.

It could be improved by allowing the user to zoom to the full definition of the picture. Right now only shows a sub-sampled version of the picture.

Here is what I get when I zoom at maximum in Media details:

... for this picture of which here is a detail:

See how the line under the characters, and the characters themselves, are much clearer on the original. Zooming more would allow the user to better appreciate the picture and see details.