A connect that found its own build already active launched nothing, so a
server killed or stopped by a reboot failed on its stale record (#27284).
A stopped server whose recorded port another runtime took failed the
tunnel's identity check before any serving check could start it (#28013).
Co-authored-by: m4air <m4air@Mac.localdomain>
Co-authored-by: yuzhichang <153784+yuzhichang@users.noreply.github.com>