[DebugVisualizers] Add V8 BasicPersistent to blink.natvis

This change enables |Persistent<T>| for the Visual Studio
debug visualizers.

Following r915079 crrev.com/c/3108807 which added |Member<T>|
to `blink.natvis`, this patch adds |BasicPersistent<T>| using
the same techinque as |Member<T>|.

Bug: 1056170
Change-Id: Id8153c643ee90d96d95b13feafb220ca52c83ba3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3138165
Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Commit-Queue: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/main@{#920978}