Show time and in game date of game load in desync/crash logs

src/saveload/afterload.cpp

@@ -3737,6 +3737,11 @@ bool AfterLoadGame()
 		AfterLoad_LinkGraphPauseControl();
 	}
 
+	_game_load_cur_date_ymd = _cur_date_ymd;
+	_game_load_date_fract = _date_fract;
+	_game_load_tick_skip_counter = _tick_skip_counter;
+	_game_load_time = time(nullptr);
+
 	return true;
 }