By Jasmine Allday A Coronation Street icon has reportedly signed up for another year on the ITV soap – with a £250,000 contract. Helen Worth – who plays Gail Platt on the soap – has reportedly agreed to another 12 months on the Cobbles amid multiple exits from the show. At Christmas, Peter Barlow star Chris Gascoyne left the show whilst his son Simon Barlow (Alex Bain) will also been leaving soon. Paul Foreman star Peter Ash will also be leaving the programme in a sad exit storyline. Gail Platt has been at the centre of some huge storylines, including with her on-screen mother Audrey Roberts, …