It would be putting it mildly to say Everton’s exhaustive search for a new right-back met an underwhelming response when it concluded with the signing of Ainsley Maitland-Niles on Monday. But there was an overwhelmingly positive reaction to the £4.3m recruit’s Everton debut as his stunning 25-yard strike rescued a point with virtually the final kick of the game against Manchester United. Michael Carrick wiped his face in sheer disbelief after the former Arsenal player, 19 minutes into his first…