Uploading a new score adds it below the old one without replacing it #3
Description
When uploading a new file, the previous score isn't cleared — the new score is simply added below the existing one. The page doesn't reload on its own. Unless this is a feature to compare the two scores. This leads some visual clutter and confusion. (As far as I have tested you can show explanations for each of the scores if you click on the colored notes.)
But playback only works for the most recently added score, not the one above. And the playback marker (blue note head) doesn't work properly: it displays in parts of both scores even though only one is playing.
Currently, you need to manually reload the page (F5), whenever you want to upload a new score without the old score still displaying.
Expected behavior: uploading a new file should replace the existing score entirely.
