<!-- Describe what you were expecting to see, what you saw instead, and steps to take in order to reproduce the buggy behavior. Screenshots can be helpful. --> <!-- Check the box for the version of Zulip you are using (see https://zulip.com/help/view-zulip-version).--> **Zulip Server and web app version:** - [ ] Zulip Cloud (`*.zulipchat.com`) - [x] Zulip Server 10.x - [ ] Zulip Server 9.x - [ ] Zulip Server 8.x - [ ] Zulip Server 7.x or older - [ ] Other or not sure  Despite selecting no audiable notifications, zulip continues to play notification sound. Please fix it.