CHICAGO — It was actually fitting for the Charlotte Hornets to play on Groundhog Day. The same issues that have cropped up all season long were a problem yet again Thursday night at the United Center: Careless turnovers. Uninspiring defense. Mental lapses. Things that could have — and should have — been corrected by now. But because they haven’t, just like when famed groundhog Punxsutawney Phil…