Image is loaded from previous file
Open this file http://musescore.com/wjw42-t/sherlock-bbc-tv-show-opening-titles---pian…
Then open this file http://musescore.com/user/38/scores/3020
The image in the second file is a small version of the one in the first score.
Expected result: the proper image is show.
See also: #21729: Fix images handling