Refactor CheckHasTrapResult as well.

Spec: https://tc39.github.io/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-hasproperty-p
Bug: v8:6664
Change-Id: Iaa9c1cb46ab4f7c8139dfe1380b3ec807a4719ee
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1610215Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#61546}