Manchester City boss Pep Guardiola has endured frustration with Rayan Cherki but says this was a day he wanted to “kiss him” after his match-winning performance against Nottingham Forest.Cherki has shown flashes of brilliance amid periods of inconsistency for City this season but produced the goods at the City Ground with an 83rd-minute winner in a 2-1 victory.The France international earlier set up Tijjani Reijnders’ opener which was cancelled out by Omari Hutchinson in a spirited Forest performance.