feat(notif): prevent manage-request users receiving auto-approve notif from their requests (#1707) (#1709)

Email and webpush agents will filter out these users. Discord agent won't @ them.

server/lib/notifications/agents/discord.ts

@@ -249,7 +249,10 @@ class DiscordAgent
                 NotificationAgentKey.DISCORD,
                 type
               ) &&
-              user.settings?.discordId
+              user.settings?.discordId &&
+              // Check if it's the user's own auto-approved request
+              (type !== Notification.MEDIA_AUTO_APPROVED ||
+                user.id !== payload.request?.requestedBy.id)
           )
           .map((user) => `<@${user.settings?.discordId}>`)
           .join(' ');