The PromiseResolve builtin was missing it's fast-path for when we can
skip the "constructor" lookup due to a typo.

Bug: v8:7253
Change-Id: Icca033af5d4f7fe8b43ebf49c9315b4c80d52cbc
Reviewed-on: https://chromium-review.googlesource.com/955483Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51807}