feat(notif): add Pushover sound options (#2403)

Co-authored-by: Danshil Kokil Mungur <me@danshilm.com>

server/lib/notifications/agents/pushover.ts

@@ -159,6 +159,7 @@ class PushoverAgent
           ...notificationPayload,
           token: settings.options.accessToken,
           user: settings.options.userToken,
+          sound: settings.options.sound,
         } as PushoverPayload);
       } catch (e) {
         logger.error('Error sending Pushover notification', {
@@ -198,6 +199,7 @@ class PushoverAgent
             ...notificationPayload,
             token: payload.notifyUser.settings.pushoverApplicationToken,
             user: payload.notifyUser.settings.pushoverUserKey,
+            sound: payload.notifyUser.settings.pushoverSound,
           } as PushoverPayload);
         } catch (e) {
           logger.error('Error sending Pushover notification', {

server/lib/settings.ts

@@ -192,6 +192,7 @@ export interface NotificationAgentPushover extends NotificationAgentConfig {
   options: {
     accessToken: string;
     userToken: string;
+    sound: string;
   };
 }
 
@@ -372,6 +373,7 @@ class Settings {
             options: {
               accessToken: '',
               userToken: '',
+              sound: '',
             },
           },
           webhook: {