[MM-30432]: Allow users to specify different desktop notification sounds per channel (#21671)

webapp/platform/types/src/channels.ts

@@ -21,6 +21,8 @@ export type ChannelStats = {
 
 export type ChannelNotifyProps = {
     desktop: 'default' | 'all' | 'mention' | 'none';
+    desktop_sound: 'on' | 'off';
+    desktop_notification_sound?: 'Bing' | 'Crackle' | 'Down' | 'Hello' | 'Ripple' | 'Upstairs';
     email: 'default' | 'all' | 'mention' | 'none';
     mark_unread: 'all' | 'mention';
     push: 'default' | 'all' | 'mention' | 'none';