[release/dev18.3] Disable source build since it hardcodes Svc pool#12453

jjonescz merged 1 commit intorelease/dev18.3dotnet/razor:release/dev18.3from

backport/pr-12452-to-release/dev18.3dotnet/razor:backport/pr-12452-to-release/dev18.3Copy head branch name to clipboard