add: clear online status on server boot

src/service/services.rs

@@ -123,6 +123,11 @@ impl Services {
 			.start()
 			.await?;
 
+		// clear online statuses
+		if self.server.config.allow_local_presence {
+			_ = self.presence.unset_all_presence().await;
+		}
+
 		// set the server user as online
 		if self.server.config.allow_local_presence && !self.db.is_read_only() {
 			_ = self