add $whatobj command

src/Lobby.cc

@@ -315,6 +315,10 @@ void Lobby::load_maps() {
         this->opt_rand_crypt,
         s->supermaps_for_variations(this->episode, this->mode, this->difficulty, this->variations));
   }
+
+  if (this->check_flag(Lobby::Flag::DEBUG)) {
+    this->map_state->print(stderr);
+  }
 }
 
 [[nodiscard]] bool Lobby::is_ep3_nte() const {