[release/9.0] Fix Kestrel host header mismatch handling when port in Url#59362

wtgodbe merged 2 commits intorelease/9.0dotnet/aspnetcore:release/9.0from

backport/pr-59352-to-release/9.0dotnet/aspnetcore:backport/pr-59352-to-release/9.0Copy head branch name to clipboard