In the driving rain on a cold Monday night at Hillsborough, the ball breaks for Liam Thompson.   He takes a touch before finding the bottom-right corner with an effort he had drilled into the ground, prompting a rush towards a rapturous away end of 3,900.   But the pain he feels as he unwittingly knee-slides on AstroTurf is nothing compared to that felt by administration-stricken Sheffield Wednesday.   Could there have been a more fitting opponent for Thompson, who broke into