Misplaced override. Resolves ppy/osu-framework#1444
Move sound binding to much later in the process to avoid programmatic checkbox changes triggering interaction sounds
Previously the progrress bar would fade out once downloads completed, which felt unintuitive.
codefactor.io \(o.o)/ also one unnecessary semicolon
Fixes volume not being able to be changed in dead areas of OverlayContainers.
Better/cleaner solution.
Not sure why these aren't being detected on master right now - they should be...