California gubernatorial hopeful Katie Porter snapped and tried to storm out of an interview after being asked a simple question about President Trump — with the Democrat raging “I don’t want this all on camera.” The irritated ex-California Rep. — who once allegedly dumped steaming mashed potatoes on her then-hubby’s head — was recorded trying to pull the plug on the sit-down with a CBS reporter last month. Leaked footage of the bizarre encounter, which only surfaced Tuesday, captured Porter