Alison Hammond takes a dramatic fall in the Bake Off tentAnyone who’s followed Alison Hammond’s career over the years will know she’s more than a little accident prone.There was the time she pushed someone into the Albert Dock live on This Morning. There was the moment she got stuck in a door while presenting from a static caravan. And, of course, there was that chaotic scene in the Big Brother house when she accidentally broke the garden furniture.Well, more than 20 years may have passed since then, but apparently little has changed.Du