Return IPopupResult from PopupExtensions.ClosePopupAsync()#2677

TheCodeTraveler merged 8 commits intomainCommunityToolkit/Maui:mainfrom

Return-`IPopupResult`-from-`PopupExtensions.ClosePopupAsync()`CommunityToolkit/Maui:Return-`IPopupResult`-from-`PopupExtensions.ClosePopupAsync()`Copy head branch name to clipboard