Elizabeth Hurley still has a “very annoying mummy rule” she makes her 22-year-old son stick to. The 58-year-old actress loves spending time with her only child Damian – who she has with late former partner Steve Bing – and after the filmmaker moved back in with his mother during the COVID-19 pandemic, the ‘Bedazzled’ star insisted they kept the television turned off until the evening so they were able to focus on other things. Elizabeth told People magazine: “I’ve always had what you say is a very annoying mommy rule in the house. We’re never allowed to put the TV on until 6 p.m. “That include…