Right click is a very obfuscated UX which most users won't find. This
makes more sense to the average user (probably).
Caveat: clicking away actually sends clicks to underlying UI. This is
not the case in macOS or windows (locally, same app; globally it still
sends clicks to other windows).
Coming from https://github.com/ppy/osu/discussions/36926.
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Co-authored-by: Bartłomiej Dach <dach.bartlomiej@gmail.com>