fix: train blocks didn't reverse on direction change

server/src/train/train.cpp

@@ -62,6 +62,7 @@ Train::Train(World& world, std::string_view _id) :
       // update train direction from the block perspective:
       for(auto& status : *blocks)
         status->direction.setValueInternal(!status->direction.value());
+      blocks.reverseInternal(); // index 0 is head of train
 
       for(const auto& vehicle : m_poweredVehicles)
         vehicle->setDirection(value);
@@ -297,6 +298,7 @@ void Train::vehiclesChanged()
   updateWeight();
   updatePowered();
   updateSpeedMax();
+  updateEnabled();
 }
 
 void Train::updateLength()