By Jennifer Newton Prince William has been seen for the first time since avoiding his estranged brother Prince Harry on his UK return. The Prince of Wales smiled as he visited Cornwall today, where he is set to carry out engagements in both Newquay and the Isles of Scilly. Today, he is visiting the the site where the Duchy of Cornwall’s first homeless housing project will be built, in Nansleden, Newquay. The project, delivered alongside Cornish charity St Petrocs, will provide 24 homes with wraparound support for homeless people. William will meet the development leaders and the chief executiv…