Update GeneralUpdate NuGet packages to 10.4.6, fix API breakages, and improve samples/docs#42

JusterZhu merged 3 commits intomainGeneralLibrary/GeneralUpdate-Samples:mainfrom

copilot/generalupdate-samples-code-improvementGeneralLibrary/GeneralUpdate-Samples:copilot/generalupdate-samples-code-improvementCopy head branch name to clipboard