Princess Kate is currently on track for an Easter return to royal duties, it has been claimed. The Princess of Wales was hospitalised for 13 days in January after undergoing abdominal surgery, and has not made any public outings so far this year. Kensington Palace has said from the outset that Kate, 42, will not return to working duties until at least after Easter. After an unauthorised picture of the princess and her mother Carole Middleton was released by US media, Kate later released her own photo on Mother’s Day. The photo, which Prince William took, showed Kate surrounded by her three chi…