Wishing that she’d called in sick, Ashley Tisdale was spotted looking a bit under the weather on the set of “Hellcats” yesterday (October 14). The “High School Musical” actress was helped to the cast van on the Vancouver set while her costar Matt Barr took some time to pose for the paparazzi. In related news, Ashley recently told press that she loves her CW gig, especially because it keeps her in top physical form. “It’s awesome to be able to work out for your job all the time. I am constantly working out with my trainer. I’m on a more healthy diet. I have a cheat day, though...