replay: fix hang if started with a special segment and there is no INIT_DATA in events (#27107)

* add events if allow or block is specified

* add init_data

tools/replay/replay.cc

@@ -25,6 +25,13 @@ Replay::Replay(QString route, QStringList allow, QStringList block, SubMaster *s
       s.push_back(it.name);
     }
   }
+
+  if (!allow_list.empty()) {
+    // the following events are needed for replay to work properly.
+    allow_list.insert(cereal::Event::Which::INIT_DATA);
+    allow_list.insert(cereal::Event::Which::CAR_PARAMS);
+  }
+
   qDebug() << "services " << s;
   qDebug() << "loading route " << route;