Support automatic online login even if current user is not saved

(i.e. online login is now started after the player is selected).

src/states_screens/story_mode_lobby.cpp

@@ -22,6 +22,7 @@
 #include "config/user_config.hpp"
 #include "guiengine/widgets/check_box_widget.hpp"
 #include "guiengine/widgets/list_widget.hpp"
+#include "online/current_user.hpp"
 #include "states_screens/dialogs/enter_player_name_dialog.hpp"
 #include "states_screens/main_menu_screen.hpp"
 #include "states_screens/state_manager.hpp"
@@ -119,6 +120,11 @@ void StoryModeLobbyScreen::eventCallback(Widget* widget,
         }
 
         StateManager::get()->resetAndGoToScreen(MainMenuScreen::getInstance());
+        // Since only now the current player is defined, we have to request 
+        // a login (if an online login was saved). If the current player was
+        // saved, this request will be started much earlier in the startup
+        // sequence from the RequestManager.
+        player->getCurrentUser()->requestSavedSession();
     }
 }   // eventCallback