[release/10.0.1xx] Fix -extra container variant check to support .NET 9+#52597

baronfel merged 8 commits into

release/10.0.1xxdotnet/sdk:release/10.0.1xxfrom

backport/pr-52161-to-release/10.0.1xxdotnet/sdk:backport/pr-52161-to-release/10.0.1xxCopy head branch name to clipboard